04. Car Race

numbers = [int(num) for num in input().split()]
left_side = numbers[:len(numbers) // 2]
right_side = numbers[len(numbers) // 2 + 1:]
left_racer_time = 0
right_racer_time = 0

for left in range(len(left_side)):
    if left_side[left] == 0:
        left_racer_time *= 0.8
    else:
        left_racer_time += left_side[left]
for right in range(len(right_side)-1, -1, -1):
    if right_side[right] == 0:
        right_racer_time *= 0.8
    else:
        right_racer_time += right_side[right]

if left_racer_time < right_racer_time:
    print(f"The winner is left with total time: {left_racer_time:.1f}")
else:
    print(f"The winner is right with total time: {right_racer_time:.1f}")