Untitled

c_counter = 0
o_counter = 0
n_counter = 0
word = ""
user_input = input()

while user_input != "End":

    if 65 <= ord(user_input) <= 90 or 97 <= ord(user_input) <= 122:

        if user_input == "c":
            if c_counter >= 1:
                word += user_input
            else:
                c_counter += 1
        elif user_input == "o":
            if o_counter >= 1:
                word += user_input
            else:
                o_counter += 1
        elif user_input == "n":
            if n_counter >= 1:
                word += user_input
            else:
                n_counter += 1
        else:
            word += user_input

    if c_counter == 1 and o_counter == 1 and n_counter == 1:
        print(word, end=" ")
        c_counter = 0
        o_counter = 0
        n_counter = 0
        word = ""
    user_input = input()