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.IOException;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.StringTokenizer;


public class B {
	
	public static void main(String[] args) throws IOException{	
		Scanner sc = new Scanner(System.in);
		
		String[] str = {
		"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"
		};
		
		final int x = sc.nextInt();
		final int y = sc.nextInt();
		
		System.out.println(str[x].charAt(y));
	}
}