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.*;
import java.math.*;
import java.util.*;

public class b {
  public static void main(String[] args) throws Throwable {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String[] qr = new String[]{
      "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"};
    args = in.readLine().split(" ");
    System.out.println(qr[Integer.parseInt(args[0])].charAt(Integer.parseInt(args[1])));
  }
}