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.*;
import java.awt.geom.*;

import static java.lang.Math.*;

public class Solution implements Runnable {
    
    String[] arr = new String[] {
        "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",
    };

    public void solve() throws Exception {
        int a1 = sc.nextInt(), a2 = sc.nextInt();
        out.println(arr[a1].charAt(a2));
    }

    static Throwable uncaught;

    BufferedReader in;
    FastScanner sc;
    PrintWriter out;

    @Override
    public void run() {
        try {
            in = new BufferedReader(new InputStreamReader(System.in));
            out = new PrintWriter(System.out);
            sc = new FastScanner(in);
            solve();
        } catch (Throwable uncaught) {
            Solution.uncaught = uncaught;
        } finally {
            out.close();
        }
    }

    public static void main(String[] args) throws Throwable {
        Thread thread = new Thread(null, new Solution(), "", (1 << 26));
        thread.start();
        thread.join();
        if (Solution.uncaught != null) {
            throw Solution.uncaught;
        }
    }

}

class FastScanner {

    BufferedReader in;
    StringTokenizer st;

    public FastScanner(BufferedReader in) {
        this.in = in;
    }

    public String nextToken() throws Exception {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(in.readLine());
        }
        return st.nextToken();
    }

    public int nextInt() throws Exception {
        return Integer.parseInt(nextToken());
    }

    public long nextLong() throws Exception {
        return Long.parseLong(nextToken());
    }

    public double nextDouble() throws Exception {
        return Double.parseDouble(nextToken());
    }

}