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 n, temp;
int main() {
  scanf("%d", &n);
  bitset<8> a(n);
  temp = a[0], a.set(0, a[4]), a.set(4, temp);
  temp = a[2], a.set(2, a[3]), a.set(3, temp);
  printf("%d", a.to_ulong());
  return 0;
}