Numbers, Divisible by 9

function numbersDivisibleBy9(input) {
let start = Number(input[0]);
let end = Number(input[1]);

let sum = 0;
let printNum = "";
for (let index = start; index <= end; index++) {

    if (index % 9 === 0) {
        sum += index;
        printNum += `${index}\n`;
    }
}

console.log(`The sum: ${sum}`);
console.log(printNum);

}
numbersDivisibleBy9(["100", "200"])