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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main 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 r = nextInt();
		int c = nextInt();
		out.println(ans[r].charAt(c));
	}

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

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

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

	String next() throws IOException {
		while (!st.hasMoreTokens()) {
			String line = in.readLine();
			if (line == null)
				return null;
			eat(line);
		}
		return st.nextToken();
	}

	public static void main(String[] args) {
		new Thread(null, new Main(), "Main", 1 << 28).start();
	}

	private BufferedReader in;
	private PrintWriter out;
	private StringTokenizer st;

	@Override
	public void run() {
		try {
			in = new BufferedReader(new InputStreamReader(System.in));
			out = new PrintWriter(System.out);
			eat("");
			solve();
			in.close();
			out.close();
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(566);
		}
	}

	private void eat(String s) {
		st = new StringTokenizer(s);
	}

}