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

print("T"*tcp[0]+"C"*tcp[1]+"P"*tcp[2])