def checkio(array: list) -> int:
    """
        sums even-indexes elements and multiply at the last
    """
    if not array:#check array is empty
        return 0
    else:
        total = 0 # variable to store total
        last = len(array) - 1
        for i in range(0,array[last]):# loop through to last index of list
            if i%2==0:# check if index number is even
                total += i#add index to total
        return total * array[-1]#multiply total even indexes with last of list


#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
    print('Example:')
    print(checkio([0, 1, 2, 3, 4, 5]))

    assert checkio([0, 1, 2, 3, 4, 5]) == 30, "(0+2+4)*5=30"
    assert checkio([1, 3, 5]) == 30, "(1+5)*5=30"
    assert checkio([6]) == 36, "(6)*6=36"
    assert checkio([]) == 0, "An empty array = 0"
    print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")