viarno reshenie cinema tickets

function cinemaTickets(input) {
    let index = 0;
    let counterKids = 0;
    let counterStudents = 0;
    let counterStandards = 0;

    let movie;

    while ((movie = input[index++]) !== 'Finish') {
        let freeSpace = Number(input[index++]);
        let usedSeats = 0;

        let typeOfTicket;

        while (usedSeats < freeSpace && (typeOfTicket = input[index++]) !== 'End') {
            usedSeats++;
            if (typeOfTicket === 'kid') {
                counterKids++;
            } else if (typeOfTicket === 'student') {
                counterStudents++;
            } else if (typeOfTicket === 'standard') {
                counterStandards++;
            }
        }
        console.log(`${movie} - ${(usedSeats * 100 / freeSpace).toFixed(2)}% full.`);
    }

    let totalTickets = counterKids + counterStudents + counterStandards;

    console.log(`Total tickets: ${totalTickets}`);
    console.log(`${((counterStudents / totalTickets) * 100).toFixed(2)}% student tickets.`);
    console.log(`${((counterStandards / totalTickets) * 100).toFixed(2)}% standard tickets.`);
    console.log(`${((counterKids / totalTickets) * 100).toFixed(2)}% kids tickets.`);
}