pub fn add(a: i32, b: i32) i32 {
    return a + b;
}

pub fn sub(a: i32, b: i32) i32 {
    return a - b;
}

pub fn mul(a: i32, b: i32) i32 {
    return a * b;
}

pub fn divFloor(a: i32, b: i32) i32 {
    return @divFloor(a, b);
}