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 B implements Runnable {

	String[] ans = { "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" };
	private void solve() throws IOException {
		int x = nextInt(), y = nextInt();
		print(ans[x].charAt(y));
	}

	public static void main(String[] args) {
		new B().run();
	}

	BufferedReader reader;
	StringTokenizer tokenizer;
	PrintWriter writer;

	public void run() {
		try {
			reader = new BufferedReader(new InputStreamReader(System.in));
			writer = new PrintWriter(System.out);
			solve();
			writer.close();
		} catch (Exception e) {
			e.printStackTrace();
			System.exit(261);
		}
	}

	void halt() {
		writer.close();
		System.exit(0);
	}

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

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

	String nextLine() throws IOException {
		return reader.readLine();
	}

	String nextToken() throws IOException {
		while (tokenizer == null || !tokenizer.hasMoreTokens())
			tokenizer = new StringTokenizer(nextLine());
		return tokenizer.nextToken();
	}

	int nextInt() throws NumberFormatException, IOException {
		return Integer.parseInt(nextToken());
	}
}