

Input

The input contains a single integer a (10 ≤ a ≤ 999).

Output

Output 0 or 1.

Examples

Input

13


Output

1


Input

927


Output

1


Input

48


Output

0
import java.util.*;
public class Quantifiers{
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int a;
		a=in.nextInt();
		if(a%2==0)
		{
			System.out.println(0);
		}
		else
		{
			System.out.println(1);
		}
	}
}