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.IOException;
import java.io.OutputStreamWriter;
import java.math.BigDecimal;
import java.io.BufferedWriter;
import java.util.Locale;
import java.util.InputMismatchException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.math.BigInteger;
import java.io.InputStream;

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

class TaskB {
    public void solve(int testNumber, InputReader in, OutputWriter out) {
        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";
        String[] str = s.split("\n");
        int a = in.nextInt();
        int b = in.nextInt();
        out.println(str[a].charAt(b));
        
    }
}

class InputReader {

    private InputStream stream;
    private byte[] buf = new byte[1 << 16];
    private int curChar;
    private int numChars;

    public InputReader(InputStream stream) {
        this.stream = stream;
    }

    public int read() {
        if (numChars == -1)
            throw new InputMismatchException();
        if (curChar >= numChars) {
            curChar = 0;
            try {
                numChars = stream.read(buf);
            } catch (IOException e) {
                throw new InputMismatchException();
            }
            if (numChars <= 0)
                return -1;
        }
        return buf[curChar++];
    }

    public int nextInt() {
        int c = read();
        while (isSpaceChar(c))
            c = read();
        int sgn = 1;
        if (c == '-') {
            sgn = -1;
            c = read();
        }
        int res = 0;
        do {
            if (c < '0' || c > '9')
                throw new InputMismatchException();
            res *= 10;
            res += c & 15;
            c = read();
        } while (!isSpaceChar(c));
        return res * sgn;
    }

    public static boolean isSpaceChar(int c) {
        return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
    }

    }

class OutputWriter {
    private PrintWriter writer;

    public OutputWriter(OutputStream stream) {
        writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(stream)));
    }

    public OutputWriter(Writer writer) {
        this.writer = new PrintWriter(writer);
    }

    public void println(char x) {
        writer.println(x);
    }

    public void close() {
        writer.close();
    }

    }