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.math.*;
import java.util.*;

public class Main {
 
    static final double eps = 1e-8;
    static final int mod = 1000 * 1000 * 1000 + 7;
    static final BigInteger modB = BigInteger.valueOf(mod);
    static int n;

    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
        pw = new PrintWriter(System.out);
        try {
        String [] a = { "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 c = sc.nextInt();
        int b = sc.nextInt();
        pw.println(a[c].charAt(b));
        }
        finally {
            
            pw.close();
        }
    }


     
     
    


    static StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
    static BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
    static StringTokenizer st ;
    static PrintWriter pw;
    static int nextInt() throws IOException {
        in.nextToken();
        return (int) in.nval;
    }
    static long nextLong() throws IOException {
        in.nextToken();
        return (long) in.nval;
    }
    static double nextDouble() throws IOException {
        in.nextToken();
        return in.nval;
    }
    static String next() throws IOException {
        in.nextToken();
        return in.sval;
    }
    static void outArray(int[] O) {
        for(int i = 0; i < O.length - 1; i++)
            pw.print(O[i] + " ");
        pw.println(O[O.length - 1]);
    }
    static void exit(Object arg)
    {
        pw.println(arg);
        pw.flush();
        System.exit(0);
    }
}