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 static java.lang.System.*;
import java.util.*;

public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(in);
		
		String[] num = {"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"};

		int h = sc.nextInt();
		int w = sc.nextInt();
		out.println(num[h].charAt(w));
	}

}