let S = stdin.readLine

proc changeAI(s: string) = stdout.write(s[0 .. ^3])
proc addAI(s: string) = stdout.write(s & '-')

if S.len < 2:
  S.addAI
elif S[^2 .. ^1] == "ai":
  S.changeAI
else:
  S.addAI

echo "AI"