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>
long long unsigned biao[73] = {
    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};
int main() {
  unsigned a;
  std::cin >> a;
  std::cout << biao[a];
  return !("我要上清华！！！");
}