print$/=~s~~r~r=~s~~e~r=~s~~k~r=~s~~c~r=~s~~a~r=~s~~h~r=~s~~ ~r=~s<> ~l~r=~s~~r~r=~s~~e~r=~s~~P~r=~s~~ ~r=~s~~r~r=~s~~e~r=~s~~h~r=~s~~t~r =~s~~o~r=~s~~n~r=~s~~a~r=~s~~ ~r=~s~~t~r=~s~~s~r=~s~~u~r=~s~~J~r////
