letter

using System;

namespace ConsoleApp8
{
    class Program
    {
        static void Main(string[] args)
        {
            string letter = Console.ReadLine();
            int counterC = 0;
            int counterO = 0;
            int counterN = 0;
            string word = string.Empty;
            string word1 = string.Empty;


            while (letter != "End")
            {
                char symbol = char.Parse(letter);

                if (symbol >= 'a' && symbol <= 'z' || symbol >= 'A' && symbol <= 'Z')
                {
                    if (symbol == 'c' && counterC == 0)
                    {
                        counterC++;
                    }
                    else if (symbol == 'o' && counterO == 0)
                    {
                        counterO++;
                    }
                    else if (symbol == 'n' && counterN == 0)
                    {
                        counterN++;
                    }
                    else
                    {
                        word += symbol;
                    }

                    if (counterC + counterO + counterN == 3)
                    {
                        word1 += word;
                        word1 += ' ';
                        word = string.Empty;
                        counterC = 0;
                        counterO = 0;
                        counterN = 0;
                    }

                }
                letter = Console.ReadLine();
            }
            Console.WriteLine(word1);
        }

    }
}