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;
import java.io.OutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskB solver = new TaskB();
        solver.solve(1, in, out);
        out.close();
    }
}

class TaskB {
    public void solve(int testNumber, Scanner in, PrintWriter out) {
        int a1=in.nextInt();
        int a2=in.nextInt();
        String ans[]={"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"};
        out.println(ans[a1].charAt(a2));


    }
}