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>
#pragma comment(linker, "/STACK:100000000000,100000000000")
const int INF = 1e9;
const long double cp = 2 * asin(1.0);
const long double eps = 1e-9;
const long long mod = 1000000007;
using namespace std;
int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(0);
  long long a[] = {
      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 n;
  cin >> n;
  cout << a[n];
  return 0;
}