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.OutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.BufferedWriter;
import java.util.InputMismatchException;
import java.io.Writer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 * @author Fabian Conejo (FabianConP)
 */
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 {
    String[] m = {"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(int testNumber, InputReader in, OutputWriter out) {
          out.printLine(m[in.readInt()].charAt(in.readInt()));
    }
}

class InputReader {

    private InputStream stream;
    private byte[] buf = new byte[1024];
    private int curChar;
    private int numChars;
    private SpaceCharFilter filter;

    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 readInt() {
        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 - '0';
            c = read();
        } while (!isSpaceChar(c));
        return res * sgn;
    }

    public boolean isSpaceChar(int c) {
        if (filter != null)
            return filter.isSpaceChar(c);
        return isWhitespace(c);
    }

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

    public interface SpaceCharFilter {
        public boolean isSpaceChar(int ch);
    }
}

class OutputWriter {
    private final PrintWriter writer;

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

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

    public void print(Object...objects) {
        for (int i = 0; i < objects.length; i++) {
            if (i != 0)
                writer.print(' ');
            writer.print(objects[i]);
        }
    }

    public void printLine(Object...objects) {
        print( objects );
        writer.println();
    }

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