Tournament of Christmas

function tournamentOfChristmas(input) {
    let index = 0,
        winTotal = 0,
        loseTotal = 0,
        sumTotal = 0,
        days = Number(input[index++]);

    for (let i = 0; i < days; i++) {
        let command = input[index++];
        let win = 0, lose = 0, sum = 0;

        while (command !== "Finish") {
            if (command === "win") {
                sum += 20;
                win++;
            } else if (command === "lose") {
                lose++;
            }
            command = input[index++];
        }

        if (win > lose) {
            sumTotal += sum * 1.1;
            winTotal += win;
        } else {
            sumTotal += sum;
            loseTotal += lose;
        }
    }

    if (winTotal > loseTotal) {
        console.log(`You won the tournament! Total raised money: ${(sumTotal * 1.2).toFixed(2)}`);
    } else {
        console.log(`You lost the tournament! Total raised money: ${sumTotal.toFixed(2)}`);
    }
}