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;

public class CF_1apr13 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a1 = sc.nextInt();
		int a2 = sc.nextInt();
		String s = "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";
		System.out.println(s.charAt(a1*33+a2));
		sc.close();
	}

}