Tennis Ranklist 100/100

function tennisRanklist(input) {
let tournaments = Number(input[0]);
let startPoints = Number(input[1]);

let wonTournaments = 0;
let currentPoints = 0;

for (let i = 2; i <= tournaments + 1; i++) {
    let stage = input[i];

    if (stage === "W") {
        currentPoints += 2000;
        wonTournaments++;
    } else if (stage === "F") {
        currentPoints += 1200;
    } else if (stage === "SF") {
        currentPoints += 720;
    }
}
let totalPoints = startPoints + currentPoints;
let percentWonTournaments = wonTournaments / tournaments * 100;

console.log(`Final points: ${totalPoints}`);
console.log(`Average points: ${Math.floor(currentPoints / tournaments)}`);
console.log(`${percentWonTournaments.toFixed(2)}%`);
}