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.util.*;
import java.lang.*;
import java.io.*;

public class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String[] name = {
			"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",
			"Trump"
		};
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		System.out.print(name[n-1]);
    	
	}
}