function separateNumbers(s: string): void {
    /**
     * idea is check each couple of number that can be starting number [num]
     * then check the [s] left that is the continues of [num]
     * 
     * + number [threshold]: amount of number of [num] we will take
     * + number [result]: final number we finded [num]
     */

    let threshold = 1
    let result = BigInt(0)

    // outer loop, get [num] by [threshold], increasing if [num] not beauty
    check_s: while (!result) {
        // [num] can't be large than haft of [s], mean [s] can't be beauty
        if (threshold > s.length / 2) break check_s;

        let num = BigInt(s.substring(0, threshold))
        let num_next = num + BigInt(1)
        let s_left = s.substring(threshold)

        // inner loop, keep reduce [s_left] till empty
        check_beauty: while (true) {
            if (s_left.startsWith(`${num_next}`)) {
                s_left = s_left.replace(`${num_next}`, '')
                num_next = num_next + BigInt(1)
            }
            // can't reduce, [s] is not beauty, break [check_beauty] inner loop
            else break check_beauty;

            // [s_left] empty, mean [num] is beauty, set [result = num], break [check_s] outer loop
            if (s_left.length == 0) result = num;
        }

        // inner loop check [num] is not beauty number, next
        threshold++;
    }

    // idk why console, why not return?
    console.log(result ? `YES ${result}` : 'NO')
}