Moving

function moving(input) {
    let index = 0;
    let width = Number(input[index]);
    index++;
    let length = Number(input[index]);
    index++;
    let height = Number(input[index]);
    index++;
    let freeSpace = width * length * height;
    while (freeSpace > 0) {
        let command = input[index];
        index++;
        if (command === "Done") {
            console.log(`${freeSpace} Cubic meters left.`);
            break;
        }
        let currentBox = Number(command);
        freeSpace -= currentBox;
    }
    if (freeSpace <= 0) {
        let diff = Math.abs(freeSpace);
        console.log(`No more free space! You need ${diff} Cubic meters more.`);
    }
}