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
 * @author Saul
 */
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 {

  private String [] magic = {"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"};

  public void solve(int testNumber, Scanner in, PrintWriter out) {
    int x = in.nextInt() , y = in.nextInt();
    out.print(magic[x].charAt(y));
  }
}