function StreamOfLetters(input) {
    let letter = input.shift();

    let nIsAppeared = false;
    let cIsAppeared = false;
    let oIsAppeared = false;
    let printLine = '';
    let newWord = '';

    while (letter !== 'End') {
        let firstCondition = letter.charCodeAt(0) >= 65 && letter.charCodeAt(0) <= 90;
        let secondCondition = letter.charCodeAt(0) >= 97 && letter.charCodeAt(0) <= 122;

        if (firstCondition || secondCondition) {
            if (letter === 'n') {
                if (nIsAppeared) {
                    newWord += letter;
                }
                nIsAppeared = true;
            } else if (letter === 'c') {
                if (cIsAppeared) {
                    newWord += letter;
                }
                cIsAppeared = true;
            } else if (letter === 'o') {
                if (oIsAppeared) {
                    newWord += letter;
                }
                oIsAppeared = true;
            } else {
                newWord += letter;
            }

            if (nIsAppeared && cIsAppeared && oIsAppeared) {
                printLine += `${newWord} `;
                newWord = '';
                nIsAppeared = false;
                cIsAppeared = false;
                oIsAppeared = false;
            }
        }

        letter = input.shift();
    }

    console.log(printLine);
}