int Foo(int a, int b) {
    int x = 0;
    if (a == 0) {
        return 0;
    }
    int y;
    if (b < 100) {
        y = b / a;
    } else {
        int a = b - 100;
        y = a * a;
    }
    x = y - a - b;
    return x * x;
}