s = input()
tcp = [0,0,0]
for c in list(s):
    if c == "T":
	    tcp[0] += 1
    elif c == "C":
	    tcp[1] += 1
    elif c == "P":
	    tcp[2] += 1

if tcp[1] > 0: # !!!!!!!!!
    print("T"*tcp[0]+"C"*tcp[1]+"P"*tcp[2])
else:
    print("P"*tcp[2] + "T"*tcp[0])