function solve(input) {
    let index = 0;
    let resultWord = "";
    let secretWord = "";
    let newWord = "";
    let counterC = 0;
    let counterO = 0;
    let counterN = 0;

    let latinLetters = [
        "a",
        "b",
        "c",
        "d",
        "e",
        "f",
        "g",
        "h",
        "i",
        "j",
        "k",
        "l",
        "m",
        "n",
        "o",
        "p",
        "q",
        "r",
        "s",
        "t",
        "u",
        "v",
        "w",
        "x",
        "y",
        "z",
    ];
    let command = input[index];
    index++;

    while (command !== "End") {
        let currentLetter = command;

        if (latinLetters.includes(currentLetter.toLowerCase())) {
            if (currentLetter.toLowerCase() === "c" && counterC === 0) {
                secretWord += currentLetter;
                counterC++;
            } else if (currentLetter.toLowerCase() === "o" && counterO === 0) {
                secretWord += currentLetter;
                counterO++;
            } else if (currentLetter.toLowerCase() === "n" && counterN === 0) {
                secretWord += currentLetter;
                counterN++;
            } else {
                newWord += currentLetter;
            }

            if (secretWord.length === 3) {
                resultWord += newWord + " ";
                newWord = "";
                counterC = 0;
                counterO = 0;
                counterN = 0;
                secretWord = "";
            }
        } else {
            command = input[index];
            index++;
            continue;
        }

        command = input[index];
        index++;
    }

    console.log(resultWord);
}