# your code goes here
class A():
def __init__(self, x):
self.x = x
class B(A):
pass
class B1(B):
pass
class B2(B1):
pass
class B3(B2):
pass
class B4(B3):
pass
class B5(B4):
pass
class B6(B5):
pass
class B7(B6):
pass
class B7(B6):
pass
class B7(B6):
pass
class B7(B6):
pass
class B7(B6):
pass
class B7(B6):
pass
b = B7(1)
print(b.x)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCgpjbGFzcyBBKCk6CglkZWYgX19pbml0X18oc2VsZiwgeCk6CgkJc2VsZi54ID0geAoJCmNsYXNzIEIoQSk6CglwYXNzCgpjbGFzcyBCMShCKToKCXBhc3MKY2xhc3MgQjIoQjEpOgoJcGFzcwpjbGFzcyBCMyhCMik6CglwYXNzCmNsYXNzIEI0KEIzKToKCXBhc3MKY2xhc3MgQjUoQjQpOgoJcGFzcwpjbGFzcyBCNihCNSk6CglwYXNzCmNsYXNzIEI3KEI2KToKCXBhc3MKY2xhc3MgQjcoQjYpOgoJcGFzcwpjbGFzcyBCNyhCNik6CglwYXNzCmNsYXNzIEI3KEI2KToKCXBhc3MKY2xhc3MgQjcoQjYpOgoJcGFzcwpjbGFzcyBCNyhCNik6CglwYXNzCgpiID0gQjcoMSkKcHJpbnQoYi54KQo=