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.*;

public class FirstApril {
    FastScanner in;
    PrintWriter out;

    String[] s = { "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" };

    void solve() {
        out.println(s[in.nextInt()].charAt(in.nextInt()));
    }

    void run() {
        try {
            in = new FastScanner(new File("object.in"));
            out = new PrintWriter(new File("object.out"));

            solve();

            out.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
    }

    void runIO() {

        in = new FastScanner(System.in);
        out = new PrintWriter(System.out);

        solve();

        out.close();
    }

    class FastScanner {
        BufferedReader br;
        StringTokenizer st;

        public FastScanner(File f) {
            try {
                br = new BufferedReader(new FileReader(f));
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            }
        }

        public FastScanner(InputStream f) {
            br = new BufferedReader(new InputStreamReader(f));
        }

        String next() {
            while (st == null || !st.hasMoreTokens()) {
                String s = null;
                try {
                    s = br.readLine();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                if (s == null)
                    return null;
                st = new StringTokenizer(s);
            }
            return st.nextToken();
        }

        boolean hasMoreTokens() {
            while (st == null || !st.hasMoreTokens()) {
                String s = null;
                try {
                    s = br.readLine();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                if (s == null)
                    return false;
                st = new StringTokenizer(s);
            }
            return true;
        }

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

        long nextLong() {
            return Long.parseLong(next());
        }
    }

    public static void main(String[] args) {
        new FirstApril().runIO();
    }
}