int[] points = Console.ReadLine()
    .Split(" ", StringSplitOptions.RemoveEmptyEntries)
    .Select(int.Parse).ToArray();

int finIx = (points.Length / 2) + 1;
double timeL = 0, timeR = 0;

for (int i = 0; i < finIx - 1; i++) //left car
{
    if (points[i] == 0)
    {
        timeL *= 0.8;
    }
    else
    {
        timeL += points[i];
    }

}
for (int i = points.Length - 1; i >= finIx; i--) //right car
{
    if (points[i] == 0)
    {
        timeR *= 0.8;
    }
    else

    {
        timeR += points[i];
    }
}
string winner;
double time = 0;
if (timeL > timeR)
{
    winner = "right";
    time = timeR;
}
else
{
    winner = "left";
    time = timeL;
}
Console.WriteLine($"The winner is {winner} with total time: {time:#.#}");