class Father:
    ball = 6

class Son(Father):
    dance = 1
    ball = 9

    def dancing(self):
        return "Son Is Dancing {} time(s) using {} balls".format(self.dance, self.ball)

class Grandson(Son):
    dance = 6
    guitar = 1

    def dancing(self):
        return "GrandSon Is Dancing {} time(s) using {} guitar".format(self.dance, self.guitar)

hfc = Father()
abhishek = Son()
amit = Grandson()
print("Grandfather is playing with {} balls.".format(hfc.ball))
print(abhishek.dancing())
print(amit.dancing())

# Coded By Dhiraj Shelke