# -*- coding: utf-8 -*-
"""
@author: geokoutsiouri katkaranikola stkarlos
elegxos orthotitas
"""
# dose username me proto gramma to 'A'
# kai code me to teleytaio gramma arithmo
username = raw_input('dose username : ')
code = raw_input('dose code : ')
if username[0] != 'A':
print 'lathos username'
if not((code[-1]).isdigit()):
print 'lathos kodikos'