

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.Scanner;

public class contect01 {
public static void main(String[] args) {
	Scanner s=new Scanner(System.in);
	//String n=s.next();
	int n=s.nextInt();
	
	/*for(int i=0;i<n.length();i++)
	{
		String st=""+n.charAt(i);
		int a=Integer.parseInt(st);
		if(a%2!=0)
		{
			System.out.println("1");
		   return;
		}
	}
	System.out.println("0");*/
	
	if(n%2!=0)
	{
		System.out.println(1);
	}
	else
	{
		System.out.println(0);
	}
}
}
