package com.company.WhileLoopMoreExercises;

import java.util.Scanner;

public class StreamOfLetters {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String command = scanner.nextLine();
        boolean findC = false;
        boolean findO = false;
        boolean findN = false;
        StringBuilder word = new StringBuilder();
        while (!"End".equals(command)) {
            char a = command.charAt(0);
            if (((int) a >= 97 && (int) a <= 122) || ((int) a >= 65 && (int) a <= 90)) {
                switch (String.valueOf(a)) {
                    case "c":
                        if(!findC){
                            findC = true;
                            a = ' ';
                        }
                        break;
                    case "o":
                        if(!findO){
                            findO = true;
                            a = ' ';
                        }
                        break;
                    case "n":
                        if(!findN){
                            findN = true;
                            a = ' ';
                        }

                        break;
                }
                word.append(a);
                if(findC && findO && findN){
                    findC = false;
                    findN = false;
                    findO = false;
                    String w = word.toString();
                    w = w.replaceAll("\\s", "");
                    System.out.printf("%s ",w);
                    word.setLength(0);
                }

            }


            command = scanner.nextLine();
        }
    }
}