#include <bits/stdc++.h>

#define rep(i, n) for (int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }

int main(int argc, char** argv) {
    ll m;
    cin >> m;

    ll ans = 2;
    rep(i, 127) { ans = ans * 2 % m; }
    cout << ans << endl;
    return 0;
};