Envío 3610

Código

from itertools import accumulate


def split_array(array):
    accumulation = list(accumulate(array))
    last_item = len(accumulation) - 1
    for i in range(last_item):
        if accumulation[last_item] - accumulation[i] < 0 and accumulation[i] > 0:
            print(i + 1)
            return

    print("Impossible")


array_size = int(input())
array = [int(x) for x in input().split()]
split_array(array)