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.*;
import java.io.*;
import java.math.*;

public class cf290B {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		
		new Solver(in, out);
		
		out.close();
	}
}

class Solver {
	public Solver(InputReader in, PrintWriter out) {
		String mat[] = {"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 a = in.nextInt(), b = in.nextInt();
		out.println(mat[a].charAt(b));
	}
}
		
class InputReader {
    public BufferedReader reader;
    public StringTokenizer tokenizer;

    public InputReader(InputStream stream) {
        reader = new BufferedReader(new InputStreamReader(stream));
        tokenizer = null;
    }

    public String next() {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            try {
                tokenizer = new StringTokenizer(reader.readLine());
            } catch (IOException e) {
				return null;
            }
        }
        return tokenizer.nextToken();
    }
	
	public String nextLine() {
		try {
			return reader.readLine();
		} catch (IOException e) {
                throw new RuntimeException(e);
            }
	}	

    public int nextInt() {
        return Integer.parseInt(next());
    }
}