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.io.InputStreamReader;
import java.util.Scanner;

public class ProblemB {
    public static void main(String[] args) throws Exception {
        final int[][] data = new int[][]
                {
                        {0,0,0,0,0,0,0,1,0,0,1,1,0,0,0,0,1,0,0,1,1,1,0,0,1,1,0,0,0,0,0,0,0},
                        {0,1,1,1,1,1,0,1,1,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,1,1,0,1,1,1,1,1,0},
                        {0,1,0,0,0,1,0,1,1,1,0,0,0,0,0,0,1,0,0,1,0,0,0,1,0,1,0,1,0,0,0,1,0},
                        {0,1,0,0,0,1,0,1,1,0,0,0,0,1,1,0,1,1,0,1,0,0,1,1,1,1,0,1,0,0,0,1,0},
                        {0,1,0,0,0,1,0,1,0,0,1,0,0,1,0,1,0,1,1,0,1,1,0,1,1,1,0,1,0,0,0,1,0},
                        {0,1,1,1,1,1,0,1,1,0,1,1,0,1,1,1,1,0,0,1,0,0,1,0,1,1,0,1,1,1,1,1,0},
                        {0,0,0,0,0,0,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,0,0,0,0,0},
                        {1,1,1,1,1,1,1,1,0,1,0,1,0,0,1,1,1,1,0,0,1,0,1,0,0,1,1,1,1,1,1,1,1},
                        {0,1,1,0,0,0,0,0,0,0,0,1,0,1,1,1,1,0,0,0,0,0,1,1,0,0,0,1,0,1,1,1,0},
                        {1,1,0,1,0,1,1,0,0,0,1,0,0,0,1,0,1,0,0,1,1,1,0,1,1,0,1,0,1,1,0,0,0},
                        {0,1,0,0,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,1,1,0,0,0,0,0,1,0,1,0,1,0,1},
                        {1,1,1,0,1,1,1,0,1,0,1,1,0,0,1,0,0,0,0,1,0,1,1,1,0,1,1,0,0,0,1,1,0},
                        {0,1,0,1,1,0,0,0,0,0,1,1,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,1,1,1,1},
                        {1,1,0,1,0,1,1,1,1,0,1,1,0,0,0,0,1,1,1,1,1,1,0,1,1,0,1,0,0,0,0,0,1},
                        {0,1,1,0,0,0,0,0,1,0,1,0,0,1,1,1,0,0,1,1,0,0,0,0,1,1,0,1,1,1,0,0,1},
                        {0,1,1,1,1,1,1,0,1,0,0,0,1,1,1,1,0,0,0,0,0,1,0,0,1,0,0,0,1,1,1,1,0},
                        {0,1,1,1,1,0,0,0,1,1,1,0,1,0,0,1,1,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,1},
                        {0,0,1,0,1,0,1,0,0,1,0,0,1,0,1,0,0,0,1,1,1,1,0,0,0,1,0,0,1,1,0,0,0},
                        {0,1,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,1,0,1,1,0,1,1,1,0,1,0,0,1,0,0,1},
                        {1,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,1,1,1,1,0,0,1,1,0,1,1,0,1,0,0,0,1},
                        {1,1,0,0,0,1,0,1,0,1,1,1,0,1,1,0,1,1,1,1,1,0,0,1,1,1,1,0,0,1,1,0,0},
                        {0,0,1,0,0,1,1,0,0,1,0,0,1,1,0,0,0,0,1,1,1,0,0,0,0,1,0,0,1,0,0,0,0},
                        {1,0,0,1,1,1,0,0,0,1,0,1,1,0,1,1,0,1,1,0,0,1,1,1,0,0,0,1,1,0,0,1,1},
                        {0,1,1,0,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,1,1,1,1,0,1,1,0},
                        {1,1,1,1,0,0,0,0,0,1,1,0,1,1,1,1,0,1,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0},
                        {1,1,1,1,1,1,1,1,0,1,0,1,1,0,0,1,1,0,0,0,0,0,1,0,0,1,1,1,0,0,1,0,0},
                        {0,0,0,0,0,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,0,0,1,0,1,0,0,0,0,1},
                        {0,1,1,1,1,1,0,1,0,0,1,1,1,0,1,1,1,1,1,1,1,0,1,0,0,1,1,1,0,1,0,0,1},
                        {0,1,0,0,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,0,0,0,0,0,0,0,0,1,0},
                        {0,1,0,0,0,1,0,1,0,0,0,1,0,1,1,1,0,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,1},
                        {0,1,0,0,0,1,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,0,1,1,0,1,1,1,1,1,1,1},
                        {0,1,1,1,1,1,0,1,1,1,0,0,1,1,0,1,0,0,1,0,1,0,0,1,1,0,0,0,1,0,1,1,1},
                        {0,0,0,0,0,0,0,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,0}
                };

        Scanner sc = new Scanner(new InputStreamReader(System.in));
        int r = sc.nextInt();
        int c = sc.nextInt();
        sc.close();
        System.out.println(1 - data[c][r]);
    }
}