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 static java.lang.Math.*;
import java.util.*;
public class B {
    String[] qr = {
	"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"
    };
    String solve(String str){
	int a1 = Integer.parseInt(str.split(" ")[0]);
	int a2 = Integer.parseInt(str.split(" ")[1]);
	return qr[a1].charAt(a2)+"";
    }
    
    public void run(String[] args) {
	try{
	    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    System.out.println( solve(str) );

	}catch(Exception e){ e.printStackTrace(); }
    }
    public static void main(String[] args){
	Locale.setDefault(Locale.US);
	(new B()).run(args);
    }
}