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

template <class T, class F = multiplies<T>>
T power(T a, long long n, F op = multiplies<T>(), T e = {1}) {
  assert(n >= 0);
  T res = e;
  while (n) {
    if (n & 1) res = op(res, a);
    if (n >>= 1) a = op(a, a);
  }
  return res;
}

int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  long long m;
  cin >> m;
  auto add = [&](long long l, long long r) {
    return (l + r) % m;
  };
  auto mul = [&](long long l, long long r) {
    return power(l, r, add, 0LL);
  };
  cout << power(2LL, 128, mul) << '\n';
}