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;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author N-AssassiN
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] chars = {"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"};
        int a1 = scanner.nextInt();
        int a2 = scanner.nextInt();
        System.out.println(chars[a1].charAt(a2));
    }
}