Basketball Tournament

function basketballTournament(input) {
    let tournament, games, team1, team2, win = 0, lost = 0;

    while ((tournament = input.shift()) !== "End of tournaments") {
        games = Number(input.shift());
        for (let game = 1; game <= games; game++) {
            team1 = Number(input.shift());
            team2 = Number(input.shift());
            if (team1 > team2) {
                console.log(`Game ${game} of tournament ${tournament}: win with ${team1 - team2} points.`);
                win++;
            } else {
                console.log(`Game ${game} of tournament ${tournament}: lost with ${team2 - team1} points.`);
                lost++;
            }
        }
    }

    console.log(`${(win / (win + lost) * 100).toFixed(2)}% matches win`);
    console.log(`${(lost / (win + lost) * 100).toFixed(2)}% matches lost`);
    return;
}