Apartament svobodno prostranstvo

function whileDemo(input) {

    let w = Number(input[0]);
    let l = Number(input[1]);
    let h = Number(input[2]);

    let freeSpace = w * l * h;
    let index = 3;
    let command = input[index];

    while (command !== 'Done') {
        let numberOfBoxes = Number(command);
        freeSpace -= numberOfBoxes;
        if (freeSpace < 0) {
            console.log(`No more free space! You need ${Math.abs(freeSpace)} Cubic meters more.`);
            break;
        }
        index++;
        command = input[index];
    }
    if (freeSpace >= 0) {
        console.log(`${freeSpace} Cubic meters left.`);
    }
}