Cinema Tickets

function solve(input) {
    let student = 0;
    let standard = 0;
    let kid = 0;
    let totalStudent = 0;
    let totalStandard = 0;
    let totalKid = 0;
    let totalTicketsForMovie = 0;

    let index = 0;
    let movieName = input[index];
    index++;
    let seats = input[index];
    index++;
    while (input[index] !== "Finish") {
        while ((input[index] !== "End") && (input[index] !== "Finish")) {
            if (input[index] === "student") {
                student++;
                totalTicketsForMovie++;
            } else if (input[index] === "standard") {
                standard++;
                totalTicketsForMovie++;
            } else if (input[index] === "kid") {
                kid++;
                totalTicketsForMovie++;
            }
            index++;
            if (totalTicketsForMovie >= seats) {
                break;
            }
        }
        totalStudent+=student;
        totalStandard+=standard;
        totalKid+=kid;
        console.log(`${movieName} - ${(totalTicketsForMovie/seats*100).toFixed(2)}% full.`);

        if (input[index] === "Finish") {
            break;
        }

        totalTicketsForMovie = 0;
        student = 0;
        standard = 0;
        kid = 0;
        index++;
        movieName = input[index];
        index++;
        seats = input[index];
        index++;
    }
    let total = totalStudent + totalStandard + totalKid;
    console.log(`Total tickets: ${total}`);
    console.log(`${(totalStudent/total*100).toFixed(2)}% student tickets.`);
    console.log(`${(totalStandard/total*100).toFixed(2)}% standard tickets.`);
    console.log(`${(totalKid/total*100).toFixed(2)}% kids tickets.`);

}