#include <iostream>
using namespace std;
int main () {
    int n;
    cin >> n;
    if (n % 4 == 0)
        cout << -1 << endl;
    else
        while (true) {
            cout << n % 4 << endl;

            n -= n % 4;
            int v;
            cin >> v;
            if (v == -1)
                break;
            n -= v;
        }
    return 0;
}