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.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;

public class Task290A {

	public static void main(String... args) throws NumberFormatException,
			IOException {
		Solution.main(System.in, System.out);
	}

	public static class Solution {
		public static void main(InputStream is, OutputStream os)
				throws NumberFormatException, IOException {
			PrintWriter pw = new PrintWriter(os);
			Scanner s = new Scanner(is);

			int a = s.nextInt();

			switch (a) {
			case 1:
				pw.println("Washington");
				break;
			case 2:
				pw.println("Adams");
				break;
			case 3:
				pw.println("Jefferson");
				break;
			case 4:
				pw.println("Madison");
				break;
			case 5:
				pw.println("Monroe");
				break;
			case 6:
				pw.println("Adams");
				break;
			case 7:
				pw.println("Jackson");
				break;	
			case 8:
				pw.println("Van Buren");
				break;
			case 9:
				pw.println("Harrison");
				break;
			case 10:
				pw.println("Tyler");
				break;
			case 11:
				pw.println("Polk");
				break;
			case 12:
				pw.println("Taylor");
				break;
			case 13:
				pw.println("Fillmore");
				break;
			case 14:
				pw.println("Pierce");
				break;
			case 15:
				pw.println("Buchanan");
				break;
			case 16:
				pw.println("Lincoln");
				break;
			case 17:
				pw.println("Johnson");
				break;
			case 18:
				pw.println("Grant");
				break;
			case 19:
				pw.println("Hayes");
				break;
			case 20:
				pw.println("Garfield");
				break;
			case 21:
				pw.println("Arthur");
				break;
			case 22:
				pw.println("Cleveland");
				break;
			case 23:
				pw.println("Harrison");
				break;
			case 24:
				pw.println("Cleveland");
				break;
			case 25:
				pw.println("McKinley");
				break;
			case 26:
				pw.println("Roosevelt");
				break;
			case 27:
				pw.println("Taft");
				break;
			case 28:
				pw.println("Wilson");
				break;
			case 29:
				pw.println("Harding");
				break;
			case 30:
				pw.println("Coolidge");
				break;
			case 31:
				pw.println("Hoover");
				break;
			case 32:
				pw.println("Roosevelt");
				break;
			case 33:
				pw.println("Truman");
				break;
			case 34:
				pw.println("Eisenhower");
				break;
			case 35:
				pw.println("Kennedy");
				break;
			case 36:
				pw.println("Johnson");
				break;
			case 37:
				pw.println("Nixon");
				break;
			case 38:
				pw.println("Ford");
				break;
			case 39:
				pw.println("Carter");
				break;
			case 40:
				pw.println("Reagan");
				break;

			}

			pw.flush();
			s.close();
		}
	}
}