T157415 A Broken Ancient Robot

$Coda$, $Raki$, $Rex$ and $ACCrush$ are all members of ACM_TEAM. Today they are going to challenge the temple of $Ma Baoguo$. Around the temple, there are many broken ancient robots. Whatever you say, the ancient robot will answer "$Error!$".

Please imitate the ancient robot, no matter what the input is, the output is always "$Error!$".

One line, any input.

One line, output a string "$Error!$".

Tips:This is a Hello World problem.