Apart from Nian, there is a daemon named Sui, which terrifies children and causes them to become sick. Parents give their children money wrapped in red packets and put them under the pillow, so that when Sui tries to approach them, it will be driven away by the fairies inside.

Big Banban is hesitating over the amount of money to give out. He considers loops to be lucky since it symbolizes unity and harmony.

He would like to find a positive integer n not greater than 1018, such that there are exactly k loops in the decimal representation of n, or determine that such n does not exist.

A loop is a planar area enclosed by lines in the digits' decimal representation written in Arabic numerals. For example, there is one loop in digit 4, two loops in 8 and no loops in 5. Refer to the figure below for all exact forms.

<image>

Input

The first and only line contains an integer k (1 ≤ k ≤ 106) — the desired number of loops.

Output

Output an integer — if no such n exists, output -1; otherwise output any such n. In the latter case, your output should be a positive decimal integer not exceeding 1018.

Examples

Input

2


Output

462

Input

6


Output

8080
//package CodeForces;

/*In the name of Allah the Most Merciful.
 * Author
 * Md. Toufiqul Islam
 * Dept. Of CSE
 * Ahsanullah University Of Science And Technology
*/
import java.io.*;
import java.util.*;
import java.math.*;
public class R462A {

    public static void main(String[] args) {
        InputReader sc =  new InputReader(System.in);
        OutputWriter out = new OutputWriter(System.out);



      int k = sc.nextInt();

      String ans = "";

      if(k==0){
          ans +="1";
      }
      if(k>36){
          ans +="-1";
      }
      else {

          int a = k/2;

          for(int i=0;i<a;i++){
              ans +="8";
          }

          int temp = k%2;

          for(int i=0;i<temp;i++){
              ans +="4";
          }

      }

      if(ans.length()<19){
          out.println(ans);
      }
      else if(ans.equals("1000000000000000000")){
          out.println(ans);
      }
      else{
          out.println("-1");
      }
        out.close();
    }

     public static class OutputWriter {
             private final PrintWriter writer;

             public OutputWriter(OutputStream outputStream) {
                 writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream)));
             }

             public OutputWriter(Writer writer) {
                 this.writer = new PrintWriter(writer);
             }

             public void print(char[] array) {
                 writer.print(array);
             }

             public void print(Object... objects) {
                 for (int i = 0; i < objects.length; i++) {
                     if (i != 0) {
                         writer.print(' ');
                     }
                     writer.print(objects[i]);
                 }
             }

             public void print(int[] array) {
                 for (int i = 0; i < array.length; i++) {
                     if (i != 0) {
                         writer.print(' ');
                     }
                     writer.print(array[i]);
                 }
             }

             public void print(double[] array) {
                 for (int i = 0; i < array.length; i++) {
                     if (i != 0) {
                         writer.print(' ');
                     }
                     writer.print(array[i]);
                 }
             }

             public void print(long[] array) {
                 for (int i = 0; i < array.length; i++) {
                     if (i != 0) {
                         writer.print(' ');
                     }
                     writer.print(array[i]);
                 }
             }

             public void println(int[] array) {
                 print(array);
                 writer.println();
             }

             public void println(double[] array) {
                 print(array);
                 writer.println();
             }

             public void println(long[] array) {
                 print(array);
                 writer.println();
             }

             public void println() {
                 writer.println();
             }

             public void println(Object... objects) {
                 print(objects);
                 writer.println();
             }

             public void print(char i) {
                 writer.print(i);
             }

             public void println(char i) {
                 writer.println(i);
             }

             public void println(char[] array) {
                 writer.println(array);
             }

             public void printf(String format, Object... objects) {
                 writer.printf(format, objects);
             }

             public void close() {
                 writer.close();
             }

             public void flush() {
                 writer.flush();
             }

             public void print(long i) {
                 writer.print(i);
             }

             public void println(long i) {
                 writer.println(i);
             }

             public void print(int i) {
                 writer.print(i);
             }

             public void println(int i) {
                 writer.println(i);
             }

             public void separateLines(int[] array) {
                 for (int i : array) {
                     println(i);
                 }
             }
         }
      public static class InputReader {
              private boolean finished = false;

              private InputStream stream;
              private byte[] buf = new byte[1024];
              private int curChar;
              private int numChars;
              private SpaceCharFilter filter;

              public InputReader(InputStream stream) {
                  this.stream = stream;
              }

              public int read() {
                  if (numChars == -1) {
                      throw new InputMismatchException();
                  }
                  if (curChar >= numChars) {
                      curChar = 0;
                      try {
                          numChars = stream.read(buf);
                      } catch (IOException e) {
                          throw new InputMismatchException();
                      }
                      if (numChars <= 0) {
                          return -1;
                      }
                  }
                  return buf[curChar++];
              }

              public int peek() {
                  if (numChars == -1) {
                      return -1;
                  }
                  if (curChar >= numChars) {
                      curChar = 0;
                      try {
                          numChars = stream.read(buf);
                      } catch (IOException e) {
                          return -1;
                      }
                      if (numChars <= 0) {
                          return -1;
                      }
                  }
                  return buf[curChar];
              }

              public int nextInt() {
                  int c = read();
                  while (isSpaceChar(c)) {
                      c = read();
                  }
                  int sgn = 1;
                  if (c == '-') {
                      sgn = -1;
                      c = read();
                  }
                  int res = 0;
                  do {
                      if (c < '0' || c > '9') {
                          throw new InputMismatchException();
                      }
                      res *= 10;
                      res += c - '0';
                      c = read();
                  } while (!isSpaceChar(c));
                  return res * sgn;
              }

              public long nextLong() {
                  int c = read();
                  while (isSpaceChar(c)) {
                      c = read();
                  }
                  int sgn = 1;
                  if (c == '-') {
                      sgn = -1;
                      c = read();
                  }
                  long res = 0;
                  do {
                      if (c < '0' || c > '9') {
                          throw new InputMismatchException();
                      }
                      res *= 10;
                      res += c - '0';
                      c = read();
                  } while (!isSpaceChar(c));
                  return res * sgn;
              }

              public String nextString() {
                  int c = read();
                  while (isSpaceChar(c)) {
                      c = read();
                  }
                  StringBuilder res = new StringBuilder();
                  do {
                      if (Character.isValidCodePoint(c)) {
                          res.appendCodePoint(c);
                      }
                      c = read();
                  } while (!isSpaceChar(c));
                  return res.toString();
              }

              public boolean isSpaceChar(int c) {
                  if (filter != null) {
                      return filter.isSpaceChar(c);
                  }
                  return isWhitespace(c);
              }

              public static boolean isWhitespace(int c) {
                  return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
              }

              private String readLine0() {
                  StringBuilder buf = new StringBuilder();
                  int c = read();
                  while (c != '\n' && c != -1) {
                      if (c != '\r') {
                          buf.appendCodePoint(c);
                      }
                      c = read();
                  }
                  return buf.toString();
              }

              public String readLine() {
                  String s = readLine0();
                  while (s.trim().length() == 0) {
                      s = readLine0();
                  }
                  return s;
              }

              public String readLine(boolean ignoreEmptyLines) {
                  if (ignoreEmptyLines) {
                      return readLine();
                  } else {
                      return readLine0();
                  }
              }

              public BigInteger readBigInteger() {
                  try {
                      return new BigInteger(nextString());
                  } catch (NumberFormatException e) {
                      throw new InputMismatchException();
                  }
              }

              public char nextCharacter() {
                  int c = read();
                  while (isSpaceChar(c)) {
                      c = read();
                  }
                  return (char) c;
              }

              public double nextDouble() {
                  int c = read();
                  while (isSpaceChar(c)) {
                      c = read();
                  }
                  int sgn = 1;
                  if (c == '-') {
                      sgn = -1;
                      c = read();
                  }
                  double res = 0;
                  while (!isSpaceChar(c) && c != '.') {
                      if (c == 'e' || c == 'E') {
                          return res * Math.pow(10, nextInt());
                      }
                      if (c < '0' || c > '9') {
                          throw new InputMismatchException();
                      }
                      res *= 10;
                      res += c - '0';
                      c = read();
                  }
                  if (c == '.') {
                      c = read();
                      double m = 1;
                      while (!isSpaceChar(c)) {
                          if (c == 'e' || c == 'E') {
                              return res * Math.pow(10, nextInt());
                          }
                          if (c < '0' || c > '9') {
                              throw new InputMismatchException();
                          }
                          m /= 10;
                          res += (c - '0') * m;
                          c = read();
                      }
                  }
                  return res * sgn;
              }

              public boolean isExhausted() {
                  int value;
                  while (isSpaceChar(value = peek()) && value != -1) {
                      read();
                  }
                  return value == -1;
              }

              public String next() {
                  return nextString();
              }

              public SpaceCharFilter getFilter() {
                  return filter;
              }

              public void setFilter(SpaceCharFilter filter) {
                  this.filter = filter;
              }

              public interface SpaceCharFilter {
                  public boolean isSpaceChar(int ch);
              }
              public int[] nextIntArray(int n){
                  int[] array=new int[n];
                  for(int i=0;i<n;++i)array[i]=nextInt();
                  return array;
              }
              public int[] nextSortedIntArray(int n){
                  int array[]=nextIntArray(n);
                  Arrays.sort(array);
                  return array;
              }
              public int[] nextSumIntArray(int n){
                  int[] array=new int[n];
                  array[0]=nextInt();
                  for(int i=1;i<n;++i)array[i]=array[i-1]+nextInt();
                  return array;
              }
              public long[] nextLongArray(int n){
                  long[] array=new long[n];
                  for(int i=0;i<n;++i)array[i]=nextLong();
                  return array;
              }
              public long[] nextSumLongArray(int n){
                  long[] array=new long[n];
                  array[0]=nextInt();
                  for(int i=1;i<n;++i)array[i]=array[i-1]+nextInt();
                  return array;
              }
              public long[] nextSortedLongArray(int n){
                  long array[]=nextLongArray(n);
                  Arrays.sort(array);
                  return array;
              }
          }

}
