#include <bits/stdc++.h>
using namespace std;
int arr[6] = {4, 1, 3, 2, 0, 5};
int main() {
  int x, ans = 0;
  cin >> x;
  for (int i = 0; i <= 5; i++) {
    if (x & (1 << i)) {
      ans += (1 << arr[i]);
    }
  }
  cout << ans << endl;
}
