S = input()
C = [0, 0, 0]
for i in range(len(S)):
  s = S[i]
  if s == 'C':
    C[0] += 1
  elif s == 'P':
    C[1] += 1
  else:
    C[2] += 1

ans = []
if C[0] == 0:
  for j in range(C[1]):
    ans.append('P')
  for j in range(C[2]):
    ans.append('T')
else:
  for j in range(C[2]):
    ans.append('T')
  for j in range(C[0]):
    ans.append('C')
  for j in range(C[1]):
    ans.append('P')
print("".join(ans))