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.InputStreamReader;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 * @author Sunits789
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskB solver = new TaskB();
		solver.solve(1, in, out);
		out.close();
	}
}

class TaskB {
    public void solve(int testNumber, InputReader in, PrintWriter out) {
        String arr[]={"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 i=in.nextInt();
        int j=in.nextInt();
        out.println(arr[i].charAt(j));
    }
}

class InputReader{
    private BufferedReader reader;
    private 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){
                throw new RuntimeException(e);
            }

            catch (NullPointerException e){
                throw new UnknownError();
            }
        }
        return tokenizer.nextToken();
    }

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

    }