#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define rep(i, n) for (int i = 0; i < (n); i++)
#define P pair<int, int>

int main() {
  ll m;
  cin >> m;
  ll ans = 1;
  rep(i, 128) {
    ans *= 2;
    ans %= m;
  }
  cout << ans << endl;


}