#include <fstream>
#include <string>
using namespace std;

ifstream cin("flip.in");
ofstream cout("flip.out");

string detectareCB(int nr, int biti) {
    string r = "";
    for (int i = 1; i <= biti; i++) {
        int b=nr%2;
        nr /= 2;
        r = (char)(b + '0') + r;
    }
    return r;
}

int n, i;
string cbCurent;

int main() {
    cin >> n;

    for (i = 0; i <= (1 << n) - 1; i++) {
        cbCurent = detectareCB(i,n);
        //flip pe coloane (pe fiecare coloana care are 1 in dreptul ei inmultesc cu -1)
    }

     cin.close(); cout.close();
    return 0;
}