cinemaVoucher.js

function cinemaVoucher(input) {
    let index = 0;
    let voucherPrice = Number(input[index]);
    index++;
    let command = input[index];
    index++;
    let ticketCounter = 0;
    let purchaseCounter = 0;

    while (command !== "End") {
        if (command.length > 8) {
            let ticketPrice = command.charCodeAt(0) + command.charCodeAt(1);
            if ((voucherPrice - ticketPrice) < 0) {
                break;
            } else {
                ticketCounter++;
                voucherPrice -= ticketPrice;
            }
        } else if (command.length <= 8) {
            let purchasePrice = command.charCodeAt(0);
            if ((voucherPrice - purchasePrice) < 0) {
                break;
            } else {
                purchaseCounter++;
                voucherPrice -= purchasePrice;
            }
        }

        command = input[index];
        index++;
    }
    console.log(ticketCounter);
    console.log(purchaseCounter);
}

cinemaVoucher(["300", "Captain Marvel", "popcorn", "Pepsi"]);
cinemaVoucher(["1500", "Avengers: End Game", "Bohemian Rhapsody", "Deadpool 2", "End"]);