include time

// Define a Class
class Cal:
    func _construct_(this, interest):
        this.interest := interest

    // Define a function
    func cal_final(this, amount, year):
        i := 0
        final := amount
        while i < year:
            final := final * (this.interest + 1)
            i += 1

        print(int(final))


func main():
    Cal := Cal(0.04)
    Cal.cal_final(10000, 3)