class Student():
    def __init__(self):
        pass

    def delete(self):
        pass

    def foo(self, a):
        System.out.println("Starting foo with argument: " + a)
        if a < 0 :
            System.out.println("Returning from foo!")
            return 0

        i = 0
        while i < a :
            if i == a / 4 :
                System.out.println("Returning from foo!")
                return a

            i = i + 1

        System.out.println("Returning from foo!")
        return 4

