for (int i = 1; i < oper; i++) {
                x = generator(a, b, c, x);
                if (x % 5 >= 2) {
                        if (top == NULL) push(x);
                        else {
							push(min(x, back()));
                        }
                }
                else {
                        pop();
                }
                if (top != NULL) {
                        res = back();
                        sumMin =  (sumMin + (res % N) );
                }
        }