Problem: <image>

Input

The input contains two integers a1, a2 (0 ≤ ai ≤ 32), separated by a single space.

Output

Output a single integer.

Examples

Input

1 1


Output

0


Input

3 7


Output

0


Input

13 10


Output

1

Solution (in JAVA):

Solution:
import java.util.Scanner;



public class ProblemA {

	public static void main(String[] args) {
		String digits ="111111101010101111100101001111111"+
			"100000100000000001010110001000001"+
			"101110100110110000011010001011101"+
			"101110101011001001111101001011101"+
			"101110101100011000111100101011101"+
			"100000101010101011010000101000001"+
			"111111101010101010101010101111111"+
			"000000001111101111100111100000000"+
			"100010111100100001011110111111001"+
			"110111001111111100100001000101100"+
			"011100111010000101000111010001010"+
			"011110000110001111110101100000011"+
			"111111111111111000111001001011000"+
			"111000010111010011010011010100100"+
			"101010100010110010110101010000010"+
			"101100000101010001111101000000000"+
			"000010100011001101000111101011010"+
			"101001001111101111000101010001110"+
			"101101111111000100100001110001000"+
			"000010011000100110000011010000010"+
			"001101101001101110010010011011000"+
			"011101011010001000111101010100110"+
			"111010100110011101001101000001110"+
			"110001010010101111000101111111000"+
			"001000111011100001010110111110000"+
			"000000001110010110100010100010110"+
			"111111101000101111000110101011010"+
			"100000100111010101111100100011011"+
			"101110101001010000101000111111000"+
			"101110100011010010010111111011010"+
			"101110100100011011110110101110000"+
			"100000100110011001111100111100000"+
			"111111101101000101001101110010001";
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int[][] source = new int[33][33];
		for(int i=0;i<33;i++){
			for(int j=0;j<33;j++){
				source[i][j] = Integer.valueOf(""+digits.toCharArray()[i+j*33]);
			}
		}
		System.out.println(source[b][a]);
	}

}