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.BufferedReader;
import java.io.InputStreamReader;
import java.util.Random;

public class solver {
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String s = "111111101010101111100101001111111\n" +
                "100000100000000001010110001000001\n" +
                "101110100110110000011010001011101\n" +
                "101110101011001001111101001011101\n" +
                "101110101100011000111100101011101\n" +
                "100000101010101011010000101000001\n" +
                "111111101010101010101010101111111\n" +
                "000000001111101111100111100000000\n" +
                "100010111100100001011110111111001\n" +
                "110111001111111100100001000101100\n" +
                "011100111010000101000111010001010\n" +
                "011110000110001111110101100000011\n" +
                "111111111111111000111001001011000\n" +
                "111000010111010011010011010100100\n" +
                "101010100010110010110101010000010\n" +
                "101100000101010001111101000000000\n" +
                "000010100011001101000111101011010\n" +
                "101001001111101111000101010001110\n" +
                "101101111111000100100001110001000\n" +
                "000010011000100110000011010000010\n" +
                "001101101001101110010010011011000\n" +
                "011101011010001000111101010100110\n" +
                "111010100110011101001101000001110\n" +
                "110001010010101111000101111111000\n" +
                "001000111011100001010110111110000\n" +
                "000000001110010110100010100010110\n" +
                "111111101000101111000110101011010\n" +
                "100000100111010101111100100011011\n" +
                "101110101001010000101000111111000\n" +
                "101110100011010010010111111011010\n" +
                "101110100100011011110110101110000\n" +
                "100000100110011001111100111100000\n" +
                "111111101101000101001101110010001";
        String[] t = s.split("\n") ;
        String[] in = reader.readLine().split(" ");
        System.out.println((t[Integer.parseInt(in[0])]).charAt(Integer.parseInt(in[1])));
    }
}