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 static java.util.Arrays.deepToString;

import java.io.*;
import java.math.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.*;

public class Main {

	static void solve() throws URISyntaxException, FileNotFoundException {
		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"
		};
		int x = nextInt();
		int y = nextInt();
		System.out.println(s[x].charAt(y));
	}

	public static void main(String[] args) throws Exception {
		reader = new BufferedReader(new InputStreamReader(System.in));
		writer = new PrintWriter(System.out);

		setTime();
		solve();
		printTime();
		printMemory();

		writer.close();
	}

	static BufferedReader reader;
	static PrintWriter writer;
	static StringTokenizer tok = new StringTokenizer("");
	static long systemTime;

	static void debug(Object... o) {
		System.err.println(deepToString(o));
	}

	static void setTime() {
		systemTime = System.currentTimeMillis();
	}

	static void printTime() {
		System.err.println("Time consumed: "
				+ (System.currentTimeMillis() - systemTime));
	}

	static void printMemory() {
		System.err.println("Memory consumed: "
				+ (Runtime.getRuntime().totalMemory() - Runtime.getRuntime()
						.freeMemory()) / 1000 + "kb");
	}

	static String next() {
		while (!tok.hasMoreTokens()) {
			String w = null;
			try {
				w = reader.readLine();
			} catch (Exception e) {
				e.printStackTrace();
			}
			if (w == null)
				return null;
			tok = new StringTokenizer(w);
		}
		return tok.nextToken();
	}

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

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

	static double nextDouble() {
		return Double.parseDouble(next());
	}

	static BigInteger nextBigInteger() {
		return new BigInteger(next());
	}
}