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.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Locale;
import java.util.StringTokenizer;

public class Main {
	
	private static int gcd(int a, int b) {
		if (a == 0) {
			return b;
		} else {
			return gcd(b % a, a);
		}
	}
	
	private void solve() throws IOException {
		String[] a = {"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 i = nextInt();
		int j = nextInt();
		
		println(a[i].charAt(j));
	}
	
	private static boolean equal(ArrayList<Integer> a, ArrayList<Integer> b) {
		for (int i = 0; i < a.size(); i++) {
			if (a.get(i).equals(b.get(i))) {
				return true;
			}
		}
		return false;
	}
	
	private String nextToken() throws IOException {
		while (tokenizer == null || !tokenizer.hasMoreTokens()) {
			tokenizer = new StringTokenizer(reader.readLine());
		}
		return tokenizer.nextToken();
	}

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

	private double nextDouble() throws NumberFormatException, IOException {
		return Double.parseDouble(nextToken());
	}

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

	private void print(Object o) {
		writer.print(o);
	}

	private void println(Object o) {
		writer.println(o);
	}

	private void printf(String format, Object... o) {
		writer.printf(format, o);
	}

	public static void main(String[] args) {
		long time = System.currentTimeMillis();
		Locale.setDefault(Locale.US);
		new Main().run();
		System.err.printf("%.3f\n", 1e-3 * (System.currentTimeMillis() - time));
	}

	BufferedReader reader;
	StringTokenizer tokenizer;
	PrintWriter writer;

	private void run() {
		try {
			reader = new BufferedReader(new InputStreamReader(System.in));
			writer = new PrintWriter(System.out);
			solve();
			reader.close();
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(13);
		}
	}
}