class Bil:
    kmKj?rt = 0

    def __init__(self, kmStand):
        self.kmKj?rt = kmStand
    
    def kj?r(self, fart, tid):
        self.kmKj?rt += fart * tid

    def tut(self):
        print("tut")

bil1 = Bil(120)
bil2 = Bil(0)

bil1.kj?r(60, 2)
bil2.kj?r(60, 2)

print(bil1.kmKj?rt)
print(bil2.kmKj?rt)

bil2.tut()