from collections import Counter

S=input()

C=Counter(S)


if "C" in S:
    ANS=""
    ANS+="T"*C["T"]
    ANS+="C"*C["C"]
    ANS+="P"*C["P"]

    print(ANS)
else:
    ANS=""
    ANS+="P"*C["P"]
    ANS+="T"*C["T"]

    print(ANS)