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.util.*;
import java.util.regex.*;
import static java.lang.Math.*;
import static java.util.Arrays.*;
import static java.lang.Integer.*;
import static java.lang.Double.*;
import static java.util.Collections.*;
import java.io.*;

public class _290_B_QR_code {
	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" };

	public void solve() {
		int a = ni();
		int b = ni();
		long res = 0;
		out.println(s[a].charAt(b));
	}

	// IO methods

	void run() throws Exception {
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		pr(System.currentTimeMillis() - s + "ms");
	}

	public static void main(String[] args) throws Exception {
		new _290_B_QR_code().run();
	}

	InputStream in = System.in;
	PrintWriter out = new PrintWriter(System.out);

	private boolean oj = System.getProperty("ONLINE_JUDGE") != null;
	private byte[] inbuf = new byte[1024];
	private int lenbuf = 0, ptrbuf = 0;

	private int readByte() {
		if (lenbuf == -1)
			throw new InputMismatchException();
		if (ptrbuf >= lenbuf) {
			ptrbuf = 0;
			try {
				lenbuf = in.read(inbuf);
			} catch (IOException e) {
				throw new InputMismatchException();
			}
			if (lenbuf <= 0)
				return -1;
		}
		return inbuf[ptrbuf++];
	}

	private boolean isSpaceChar(int c) {
		return !(c >= 33 && c <= 126);
	}

	private int skip() {
		int b;
		while ((b = readByte()) != -1 && isSpaceChar(b))
			;
		return b;
	}

	public String ns() {
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while (!(isSpaceChar(b))) { // when nextLine, (isSpaceChar(b) && b != //
									// ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}

	public char[] ns(int n) {
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while (p < n && !(isSpaceChar(b))) {
			buf[p++] = (char) b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}

	public char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for (int i = 0; i < n; i++)
			map[i] = ns(m);
		return map;
	}

	public int[] na(int n) {
		int[] a = new int[n];
		for (int i = 0; i < n; i++)
			a[i] = ni();
		return a;
	}

	public int ni() {
		int num = 0, b;
		boolean minus = false;
		while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'))
			;
		if (b == '-') {
			minus = true;
			b = readByte();
		}

		while (true) {
			if (b >= '0' && b <= '9') {
				num = num * 10 + (b - '0');
			} else {
				return minus ? -num : num;
			}
			b = readByte();
		}
	}

	public long nl() {
		long num = 0;
		int b;
		boolean minus = false;
		while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'))
			;
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		while (true) {
			if (b >= '0' && b <= '9') {
				num = num * 10 + (b - '0');
			} else {
				return minus ? -num : num;
			}
			b = readByte();
		}
	}

	void pr(Object... ob) {
		if (!oj)
			System.out.println(Arrays.deepToString(ob).replace("],", "],\n"));
	}
}