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.Scanner;
import java.util.StringTokenizer;
import java.io.*;

// The "ProblemA" class.
public class ProblemA
{
    public static void main (String[] args) throws IOException
    {
		//Scanner inFile = new Scanner(new File("DATA_A.txt"));
		Scanner inSys = new Scanner(System.in);
		//PrintStream outFile = new PrintStream(new File("OUT_A.txt"));
		PrintStream outSys = new PrintStream(System.out);
		
		String[] presnames = {"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 theinput = Integer.parseInt(inSys.nextLine());
		
		System.out.println(presnames[theinput - 1]);
    } // main method
} // ProblemA class