end_command = "End"
word = ""
text = ""
count_c = 0
count_o = 0
count_n = 0
while True:
  character = str(input())
  if character == end_command:
    print(f"{text}")
    break

  if character != "n" and character != "c" and character != "o" :
    if (ord(character) in range(ord("a"), ord("z"))) or (ord(character) in range(ord("A"), ord("Z"))):
      word += character
  if count_c == 1 and character == "c":
      word += character
  if count_o == 1  and character == "o":
      word += character
  if count_n == 1 and character == "n":
      word += character
  if character == "c":
    count_c = 1
  if character == "o":
    count_o = 1
  if character == "n":
    count_n = 1

  if count_c == 1 and count_n == 1 and count_o == 1:
    text += word + " "
    word = ""
    count_c = 0
    count_n = 0
    count_o = 0