class F:
a = 1
b = 2
def __init__(self):
print(self.a)
self.a += 1
def wtf(self, z=a, x=b):
print(z)
print(x)
def ch(self):
self.b += 1
def w2(self, z=b):
print(z)
q = F()
q.wtf()
Y2xhc3MgRjoKCWEgPSAxCgliID0gMgoJZGVmIF9faW5pdF9fKHNlbGYpOgoJCXByaW50KHNlbGYuYSkKCQlzZWxmLmEgKz0gMQoJZGVmIHd0ZihzZWxmLCB6PWEsIHg9Yik6CgkJcHJpbnQoeikKCQlwcmludCh4KQoJZGVmIGNoKHNlbGYpOgoJCXNlbGYuYiArPSAxCglkZWYgdzIoc2VsZiwgej1iKToKCQlwcmludCh6KQoKcSA9IEYoKQpxLnd0ZigpCgo=