

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 main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner s=new Scanner (System.in);
		int a=s.nextInt();
		if(a%2==0)
		{
			System.out.println("0");
		}
		else 
		{
			System.out.println("1");
		}
			
	}

}
