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;

/**
 * Created with IntelliJ IDEA.
 * Author   : Dylan
 * Date     : 2013-07-20
 * Time     : 16:30
 * Project  : Bit++
 */
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        char[][] map = {
                "111111101010101111100101001111111".toCharArray(),
                "100000100000000001010110001000001".toCharArray(),
                "101110100110110000011010001011101".toCharArray(),
                "101110101011001001111101001011101".toCharArray(),
                "101110101100011000111100101011101".toCharArray(),
                "100000101010101011010000101000001".toCharArray(),
                "111111101010101010101010101111111".toCharArray(),
                "000000001111101111100111100000000".toCharArray(),
                "100010111100100001011110111111001".toCharArray(),
                "110111001111111100100001000101100".toCharArray(),
                "011100111010000101000111010001010".toCharArray(),
                "011110000110001111110101100000011".toCharArray(),
                "111111111111111000111001001011000".toCharArray(),
                "111000010111010011010011010100100".toCharArray(),
                "101010100010110010110101010000010".toCharArray(),
                "101100000101010001111101000000000".toCharArray(),
                "000010100011001101000111101011010".toCharArray(),
                "101001001111101111000101010001110".toCharArray(),
                "101101111111000100100001110001000".toCharArray(),
                "000010011000100110000011010000010".toCharArray(),
                "001101101001101110010010011011000".toCharArray(),
                "011101011010001000111101010100110".toCharArray(),
                "111010100110011101001101000001110".toCharArray(),
                "110001010010101111000101111111000".toCharArray(),
                "001000111011100001010110111110000".toCharArray(),
                "000000001110010110100010100010110".toCharArray(),
                "111111101000101111000110101011010".toCharArray(),
                "100000100111010101111100100011011".toCharArray(),
                "101110101001010000101000111111000".toCharArray(),
                "101110100011010010010111111011010".toCharArray(),
                "101110100100011011110110101110000".toCharArray(),
                "100000100110011001111100111100000".toCharArray(),
                "111111101101000101001101110010001".toCharArray()
        };
        System.out.println(map[in.nextInt()][in.nextInt()]);
    }
}