World Snooker Championship

function  WorldSnookerChampionship(input) {
    let stageOfTheChampionship = input[0];
    let typesOfTickets = input[1];
    let ticketCount = Number(input[2]);
    let selfieWithTheTrophy = input[3];
    let ticketPrice = 0;

    if (stageOfTheChampionship === "Quarter final") {
        if (typesOfTickets === "Standard") {
            ticketPrice = 55.50;
        } else if (typesOfTickets === "Premium") {
            ticketPrice = 105.20;
        } else if (typesOfTickets === "VIP") {
            ticketPrice = 118.90;
        }
    } else if (stageOfTheChampionship === "Semi final") {
        if (typesOfTickets === "Standard") {
            ticketPrice = 75.88;
        } else if (typesOfTickets === "Premium") {
            ticketPrice = 125.22;
        } else if (typesOfTickets === "VIP") {
            ticketPrice = 300.40;
        }
    } else if (stageOfTheChampionship === "Final") {
        if (typesOfTickets === "Standard") {
            ticketPrice = 110.10;
        } else if (typesOfTickets === "Premium") {
            ticketPrice = 160.66;
        } else if (typesOfTickets === "VIP") {
            ticketPrice = 400;
        }
    }
    let totalPrice = ticketPrice * ticketCount;

    if (totalPrice > 4000) {
        totalPrice *= 0.75;
        selfieWithTheTrophy = "N";
    } else if (totalPrice > 2500) {
        totalPrice *= 0.9;
    }

    if (selfieWithTheTrophy === "Y") {
        totalPrice += ticketCount * 40;
    }

    console.log(`${totalPrice.toFixed(2)}`);
}