package foo


fun f(a : Int = 2, b : Int = 3) = a + b

fun box() : Boolean
{
    if (f(1,2) != 3) return false;
    if (f(1,3) != 4) return false;
    if (f(3) != 6) return false;
    if (f() != 5) return false;

    return true;
}