Vowels Sum

function vowelsSum(input) {
    let text = input[0];

    let sum = 0;

    for (let i = 0; i < text.length; i++) {
        let letter = text.charAt(i);
        if (letter === "a") {
            sum = sum + 1;
        } else if (letter === "e") {
            sum = sum + 2;
        } else if (letter === "i") {
            sum = sum + 3;
        } else if (letter === "o") {
            sum = sum + 4;
        } else if (letter === "u") {
            sum = sum + 5;
        }
    }
        console.log(sum);
}