def a(z, x):
 c = 0
 pass
 if z:
  if x or z or not x or z:
   print 1
   if not z or not z or z or not z:
    print 2
    if z or not z or x or not z:
     print 3
     if not x or z or not x or z:
      print 4
      if not (x and not x) or z or x:
       print 5
       if x and z and not z or x:
        print 6
        c = 6
       if (z or not z) and not x:
        print 7
        return 8
    if (x or x and not x) or not z:
     c = 9
 return c