function numberModification(number) {

    number = number.toString().split("").map(Number);
    let result = 0;

    for (let i = 0; i < number.length; i++) {
        result += number[i];

    }

    for (let j = 1; j < 5; j++) {
        if (result <= 5) {
            number.push(9);

        }
    }
    console.log(number.join(""));

}
numberModification(100);