Problem: 

Input

The input contains a single integer a (0 ≤ a ≤ 35).

Output

Output a single integer.

Examples

Input

3


Output

8


Input

10


Output

1024

Solution (in JAVA):

Solution:
import java.io.*;
import java.util.*;

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

	BufferedReader br;
	StringTokenizer in;
	PrintWriter out;

	public String nextToken() throws IOException {
		while (in == null || !in.hasMoreTokens()) {
			in = new StringTokenizer(br.readLine());
		}
		return in.nextToken();
	}

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

	String[] ans = { "Washington",

	"Adams",

	"Jefferson",

	"Madison",

	"Monroe",

	"Adams",

	"Jackson",

	"Van Buren",

	"Harrison",

	"Tyler",

	"Polk",

	"Taylor",

	"Fillmore",

	"Pierce",

	"Buchanan",

	"Lincoln",

	"Johnson",

	"Grant",

	"Hayes",

	"Garfield",

	"Arthur",

	"Cleveland",

	"Harrison",

	"Cleveland",

	"McKinley",

	"Roosevelt",

	"Taft",

	"Wilson",

	"Harding",

	"Coolidge",

	"Hoover",

	"Roosevelt",

	"Truman",

	"Eisenhower",

	"Kennedy",

	"Johnson",

	"Nixon",

	"Ford",

	"Carter",

	"Reagan" };

	public void solve() throws IOException {
		out.println(ans[nextInt() - 1]);
	}

	public void run() {
		try {
			br = new BufferedReader(new InputStreamReader(System.in));
			out = new PrintWriter(System.out);

			solve();

			out.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}