#include <cstdio>

int main () {
    int n;
    scanf ("%d", &n);
    if (n % 4 == 0)
        printf ("-1\n");
    else
        while (true) {
            printf ("%d\n", n % 4);
            fflush (stdout);
            n -= n % 4;
            int v;
            scanf ("%d", &v);
            if (v == -1)
                break;
            n -= v;
        }
    return 0;
}