Basketball Tournament

function basketballTournament(input) {
    let index = 0;
    let name = input[index];
    index++;


    let allGamesCounter = 0;
    let wonGame = 0;
    let lostGame = 0;
    while (name !== "End of tournaments") {
        let matchesNumber = Number(input[index]);
        index++;

        let gamesCounter = 0;
        for (let i = 1; i <= matchesNumber; i++) {
            let hostPoints = Number(input[index]);
            index++;
            let guestPoints = Number(input[index]);
            index++;
            gamesCounter++;

            if (hostPoints > guestPoints) {
                wonGame++;
                console.log(`Game ${gamesCounter} of tournament ${name}: win with ${hostPoints - guestPoints} points.`);
            } else {
                lostGame++;
                console.log(`Game ${gamesCounter} of tournament ${name}: lost with ${guestPoints - hostPoints} points.`);
            }
        }
        allGamesCounter += gamesCounter;

        name = input[index];
        index++;
        }

    if (name === "End of tournaments") {
        console.log(`${(wonGame * 100 / allGamesCounter).toFixed(2)}% matches win`);
        console.log(`${(lostGame * 100 / allGamesCounter).toFixed(2)}% matches lost`);
    }
}