from collections import Counter
S = input()

if Counter(S)["C"] == 0:
    print("P" * Counter(S)["P"], end="")
    print("T" * Counter(S)["T"], end="")
else:
    print("T" * Counter(S)["T"], end="")
    print("C" * Counter(S)["C"], end="")
    print("P" * Counter(S)["P"], end="")
print()