Problem: 

Input

The input contains a single integer a (1 ≤ a ≤ 40).

Output

Output a single string.

Examples

Input

2


Output

Adams


Input

8


Output

Van Buren


Input

29


Output

Harding

Solution (in JAVA):

Solution:
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class A1 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        int N = Integer.parseInt(st.nextToken());

        String[] pres = new String[]{"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"};
        System.out.println(pres[N - 1]);
    }
}