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 CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
int main() {
  string s =
      "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";
  stringstream ss(s);
  string str;
  vector<string> pres;
  while (ss >> str) pres.push_back(str);
  int a;
  cin >> a;
  if (a < 8)
    cout << pres[a - 1] << endl;
  else if (a == 8)
    cout << pres[a - 1] << " " << pres[a] << endl;
  else
    cout << pres[a] << endl;
  return 0;
}