lst = [1, 1, 2, 3, 5, 9, 11, 1, 2, 2, 11, 15, 1]
l = 3

mini = 111111
second = sum(lst[0:l])
prew_ind = 0
next_ind = l
min_ind = 0
while prew_ind < len(lst):
    if next_ind == len(lst):
        next_ind = 0
    second = second - lst[prew_ind] + lst[next_ind]
    if second < mini:
        mini = second
        min_ind = prew_ind
    next_ind += 1
    prew_ind += 1
print(mini, min_ind + 2)