extern void printInt(int val);
extern void printNewlines(int num);
extern void printSpaces(int num);

int factorial(int i) {
    int result = 1;

    if (i > 0) result = i * factorial(i - 1);

    return result;
}

export int main() {
    for (int i = 0, 6) {
        printInt(factorial(i));
        printSpaces(1);
    }
    printNewlines(1);

    return 0;
}