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;
long long gcd(long long a, long long b) {
  if (b == 0) {
    return a;
  }
  return gcd(b, a % b);
}
void Abdo() {
  std::ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  cout.tie(NULL);
}
const double E = 1e-12;
const int N = 60;
int n;
long long a[100] = {
    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() {
  Abdo();
  long long x;
  cin >> x;
  cout << a[x] << "\n";
  return 0;
}