Cinema Tickets

function cinemaTickets(input) {

    let tickets = {'kid': 0, 'student': 0, 'standard': 0};

    while (input[0] !== 'Finish') {
        let movie = input.shift();
        let freeSeats = Number(input.shift());
        let sellTicket = 0;

        while (input[0] !== 'End' && freeSeats !== sellTicket) {
            tickets[input.shift()]++;
            sellTicket++;
        }
        console.log(`${movie} - ${((sellTicket / freeSeats) * 100).toFixed(2)}% full.`);
        movie = input[0] === 'End' ? input.shift() : '';
    }
    let totalTickets = Object.values(tickets).reduce((a, b) => a + b, 0);
    console.log(`Total tickets: ${totalTickets}`);
    console.log(`${(tickets['student'] / totalTickets * 100).toFixed(2)}% student tickets.`);
    console.log(`${(tickets['standard'] / totalTickets * 100).toFixed(2)}% standard tickets.`);
    console.log(`${(tickets['kid'] / totalTickets * 100).toFixed(2)}% kids tickets.`);
}