import director_profile

class MyB(director_profile.B):
    def vfi(self, a):
        return a+3



a = director_profile.A()
myb = MyB()
b = director_profile.B.get_self(myb)


fi = b.fi
i = 50000
a = 1
while i:
  a = fi(a) #1
  a = fi(a) #2
  a = fi(a) #3
  a = fi(a) #4
  a = fi(a) #5
  a = fi(a) #6
  a = fi(a) #7
  a = fi(a) #8
  a = fi(a) #9
  a = fi(a) #10
  a = fi(a) #1
  a = fi(a) #2
  a = fi(a) #3
  a = fi(a) #4
  a = fi(a) #5
  a = fi(a) #6
  a = fi(a) #7
  a = fi(a) #8
  a = fi(a) #9
  a = fi(a) #20
  i -= 1

print a