import std;


fn first(a, b, c: int): int {
    return a;
}

fn second(a, b, c: int): int {
    return first(b, a, c);
}


fn last(a, b, c: int): int {
    return second(a, c, b);
}


fn middle(a, b, c: int): int {
    return last(a, c, b);
}


# These should all print true!
print(first(1, 2, 3) == 1);
print(second(1, 2, 3) == 2);
print(last(1, 2, 3) == 3);
print(first(second(1, 2, 3), 2, 3) == 2);
print(last(1, 2, second(3, 4, 5)) == 4);