S = input()

nums = {"T":0,"C":0,"P":0}

nums["T"] = S.count("T")
nums["C"] = S.count("C")
nums["P"] = S.count("P")

ans = None
if nums["C"] == 0:
    ans = ("P" * nums["P"]) + ("T" * nums["T"])
else:
    ans = ("T" * nums["T"]) + ("C" * nums["C"]) + ("P" * nums["P"]) 

print(ans)