Letters

import java.util.Scanner;

public class StreamOfLetters_03 {
    public static void main(String[] args) {
        Scanner myScan = new Scanner(System.in);

        String finalWord = "";
        int countC = 0;
        int countO = 0;
        int countN = 0;
        boolean isEndOf = false;
        String input = "";


        while (!isEndOf) {
            input = myScan.nextLine();
            if (input.equals("End")) {
                isEndOf = true;

            }
            if (input.matches("^[a-zA-Z]*$")) {
                if (input.charAt(0) == 'c' && countC == 0) {
                    countC++;
                    continue;
                }
                if (input.charAt(0) == 'n' && countN == 0) {
                    countN++;
                    continue;
                }
                if (input.charAt(0) == 'o' && countO == 0) {
                    countO++;
                    continue;
                }
                if (countC == 1 && countN == 1 && countO == 1) {
                    countC = 0;
                    countN = 0;
                    countO = 0;
                    System.out.print(finalWord + " ");
                    finalWord = "";

                }
                finalWord += input.charAt(0);


            }


        }

    }

}