#include<bits/stdc++.h> using namespace std; int main (){ cout<<"a"<<" "<<"b"<<" "<<"c"<<" "<<"d"<<" "<<"e"<<" "<<"f"<<" "<<"g"<<" "<<"h"<<" "<<"i"<<" "<<"j"<<" "<<"k"<<" "<<"l"<<" "<<"m"<<" "<<"n"<<" "<<"o"<<" "<<"p"<<" "<<"q"<<" "<<"r"<<" "<<"s"<<" "<<"t"<<" "<<"u"<<" "<<"v"<<" "<<"w"<<" "<<"x"<<" "<<"y"<<" "<<"z"<<endl; cout<<"Z"<<" "<<"Y"<<" "<<"X"<<" "<<"W"<<" "<<"V"<<" "<<"U"<<" "<<"T"<<" "<<"S"<<" "<<"R"<<" "<<"Q"<<" "<<"P"<<" "<<"O"<<" "<<"N"<<" "<<"M"<<" "<<"L"<<" "<<"K"<<" "<<"J"<<" "<<"I"<<" "<<"H"<<" "<<"G"<<" "<<"F"<<" "<<"E"<<" "<<"D"<<" "<<"C"<<" "<<"B"<<" "<<"A"; return 0; }