#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
using namespace std;


int main()
{
    long long m, t;
    cin >> m;
    t =(long long)pow(2, 60);
    for (int i = 0; i < 68; i++){
        t *= 2;
        t %= m;
    }
    cout << t << endl;
}