697 :
???:
kcnjukdjhbekjbhfiwhujuicneowjfbucedjbhidnjfvrhw5ejhfhicnfr
ubhimdkcjv rfhbyuheinrbyrfuheiwrnfuhiiefnrobguihijnferbhyi
lknurghfepiwrnfoubga5h4jdepmfrno5baiuph4jiemnforjbguihnfis
ruhfeiedfnobhygphdneobfrhiuheonjrbhfuvgihqwjmkecjnbihlrfwu
riuhweomenwfbuihijkodmeknfjwuilmfknjrukolmkvjaoeifinrfuhie
pldwokeiuf4gt3kodw,lxmkcenjuiyodokdmij0pldwomfd,cmeifnolem
kcnjukdjhbekjbhfiwhujuicneowjfbucedjbhidnjfvrhw5ejhfhicnfr
ubhimdkcjv rfhbyuheinrbyrfuheiwrnfuhiiefnrobguihijnferbhyi
lknurghfepiwrnfoubga5h4jdepmfrno5baiuph4jiemnforjbguihnfis
ruhfeiedfnobhygphdneobfrhiuheonjrbhfuvgihqwjmkecjnbihlrfwu
riuhweomenwfbuihijkodmeknfjwuilmfknjrukolmkvjaoeifinrfuhie
pldwokeiuf4gt3kodw,lxmkcenjuiyodokdmij0pldwomfd,cmeifnolem