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 CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
int main() {
  unsigned long long n,
      arr[] = {1,          2,          4,          8,          16,
               32,         64,         128,        256,        512,
               1024,       2048,       4096,       8092,       16184,
               32368,      64736,      129472,     258944,     517888,
               1035776,    2071552,    4143104,    8286208,    16572416,
               33144832,   66289664,   132579328,  265158656,  530317312,
               1060634624, 2121269248, 4242538496, 8485076992, 16970153984,
               33940307968};
  cin >> n;
  cout << arr[n] << endl;
}