# -*- coding: utf-8 -*- """ Created on Mon Mar 26 18:47:34 2018 @author: stkarlos """ x = raw_input(" dose 8psifio kodiko: ") if len(x) != 8: print 'dose ksana' elif x[0] != x[-1] or x.count('a') != x.count('!'): print 'lathos kodikos' else: print 'dektos'