

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 QuirkyQuantifiers {
	public static void main(String []args){
		Scanner scanner=new Scanner(System.in);
		int a=scanner.nextInt();
		if(a%2!=0)System.out.println(1);
		else System.out.println(0);
	}
}
