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.io.*;

public class Main implements Runnable {
		
	public void solve() throws IOException {
            String[] p = {"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"};
            
            int a = nextInt() - 1;
            System.out.println(p[a]);
	}

	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	//-----------------------------------------------------------
	public static void main(String[] args) {
		new Main().run();
	}

        public void print1Int(int[] a){
                for(int i = 0; i < a.length; i++)
                        System.out.print(a[i] + " ");
                System.out.println();
        }
        
        public void print2Int(int[][] a){
                for(int i = 0; i < a.length; i++){
                        for(int j = 0; j < a[0].length; j++){
                                System.out.print(a[i][j] + " ");
                        }
                        System.out.println();
                }
        }
        
	public void run() {
		try {
			in = new BufferedReader(new InputStreamReader(System.in));
			tok = null;
			solve();
			in.close();
		} catch (IOException e) {
			System.exit(0);
		}
	}

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

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

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

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

	BufferedReader in;
	StringTokenizer tok;
}