class cal5:
    
    def __init__(self):
        self.length = length 
        self.breadth = breadth
        self.height = height
    def calArea(self):
        self.a = length*breadth*height
    def display(self):
        print('Area of Rectangle is : ', self.a)
length = int(input('Enter length: '))
breadth = int(input('Enter breadth: '))
height = int(input('Enter height: '))

c = cal5()
c.calArea()
c.display()
    