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.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.StringTokenizer;


public class A {
    
    static StringTokenizer st;
    static BufferedReader in;
    public static void main(String[] args) throws IOException {
        in = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
        int n = nextInt();
        String[]ans = {"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"
        };
        System.out.println(ans[n-1]);
        pw.close();
    }
    private static int nextInt() throws IOException{
        return Integer.parseInt(next());
    }
    
    private static long nextLong() throws IOException{
        return Long.parseLong(next());
    }
    
    private static double nextDouble() throws IOException{
        return Double.parseDouble(next());
    }
    
    private static String next() throws IOException {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(in.readLine());
        }
        return st.nextToken();
    }
}