06. Cake - while - loops - ex

function cake(input) {
    let width = Number(input.shift());
    let length = Number(input.shift());

    let allPieces = width * length;

    let piecesCake = input.shift();

    while (piecesCake != "STOP") {
        let currentPieces = Number(piecesCake);
        allPieces -= currentPieces;

        if (allPieces < 0) {
            console.log(`No more cake left! You need ${Math.abs(allPieces)} pieces more.`);
            break;
        }
        piecesCake = input.shift();
    }

    if (piecesCake == "STOP") {
        console.log(`${allPieces} pieces are left.`);
    }
}