Untitled

class Cube:
    def __init__(self,side):
        self.side = side
        
       

    def onesurface(self):
        return print(self.side*self.side)
    
    def allsurfaces(self):
        return print(6*self.side*self.side)
    
    def allvolume(self):
        return print(self.side*self.side*self.side)

n = int(input("Sayı giriniz:"))

e = Cube(n)
e.onesurface()
e.allvolume()
e.allsurfaces()