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.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;

public class Solver {

	public static void main(String[] Args) throws NumberFormatException,
			IOException {
		new Solver().Run();
	}

	PrintWriter pw;
	StringTokenizer Stok;
	BufferedReader br;

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

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

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

	public long nextLong() throws NumberFormatException, IOException {
		return Long.parseLong(nextToken());
	}

	public void Run() throws NumberFormatException, IOException {
		//br = new BufferedReader(new FileReader("input.txt"));
		//pw = new PrintWriter("output.txt");
		br = new BufferedReader(new InputStreamReader(System.in));
		pw = new PrintWriter(new OutputStreamWriter(System.out));
		String[] pres = {"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", "Bush", "Clinton", "Bush", "Obama"};
		int n = nextInt();
		pw.print(pres[n-1]);
		pw.flush();
		pw.close();
	}

}