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 java.util.StringTokenizer;

public class ProblemB {

    public static void main(String[] args) throws Exception {
        new ProblemB();
    }

    private BufferedReader in = null;
    private PrintWriter out = null;
    private StringTokenizer tok = new StringTokenizer("");

    public ProblemB() throws Exception {
        init();
        solve();
        in.close();
        out.close();
    }

    private void solve() throws Exception {
     String s = "111111101010101111100101001111111\n" +
                "100000100000000001010110001000001\n" +
                "101110100110110000011010001011101\n" +
                "101110101011001001111101001011101\n" +
                "101110101100011000111100101011101\n" +
                "100000101010101011010000101000001\n" +
                "111111101010101010101010101111111\n" +
                "000000001111101111100111100000000\n" +
                "100010111100100001011110111111001\n" +
                "110111001111111100100001000101100\n" +
                "011100111010000101000111010001010\n" +
                "011110000110001111110101100000011\n" +
                "111111111111111000111001001011000\n" +
                "111000010111010011010011010100100\n" +
                "101010100010110010110101010000010\n" +
                "101100000101010001111101000000000\n" +
                "000010100011001101000111101011010\n" +
                "101001001111101111000101010001110\n" +
                "101101111111000100100001110001000\n" +
                "000010011000100110000011010000010\n" +
                "001101101001101110010010011011000\n" +
                "011101011010001000111101010100110\n" +
                "111010100110011101001101000001110\n" +
                "110001010010101111000101111111000\n" +
                "001000111011100001010110111110000\n" +
                "000000001110010110100010100010110\n" +
                "111111101000101111000110101011010\n" +
                "100000100111010101111100100011011\n" +
                "101110101001010000101000111111000\n" +
                "101110100011010010010111111011010\n" +
                "101110100100011011110110101110000\n" +
                "100000100110011001111100111100000\n" +
                "111111101101000101001101110010001";
        int a = nextInt();
        int b = nextInt();
        out.println(s.charAt(a * 34 + b));
    }


    private void init() throws FileNotFoundException {
        in = new BufferedReader(new InputStreamReader(System.in));
        out = new PrintWriter(System.out);
    }


    private int nextInt() throws IOException {
        return Integer.parseInt(nextToken());
    }

    private long nextLong() throws IOException {
        return Long.parseLong(nextToken());
    }


    private String nextToken() throws IOException {
        while (!tok.hasMoreTokens()) {
            String s = in.readLine();
            if (s == null) {
                return null;
            }
            tok = new StringTokenizer(s);
        }
        return tok.nextToken();
    }

}