my_dict = {('name','subname'):19}
l_name = raw_input()
f_name = raw_input()
if (l_name, f_name) in my_dict:
age = my_dict[l_name,f_name]
print age
bXlfZGljdCA9IHsoJ25hbWUnLCdzdWJuYW1lJyk6MTl9CmxfbmFtZSA9IHJhd19pbnB1dCgpCmZfbmFtZSA9IHJhd19pbnB1dCgpCmlmIChsX25hbWUsIGZfbmFtZSkgaW4gbXlfZGljdDoKICAgIGFnZSA9IG15X2RpY3RbbF9uYW1lLGZfbmFtZV0KICAgIHByaW50IGFnZQ==