lst = [0, 1, 2, 3, 0, 5, 9, 0, 0, 0, 11, 1, 2, 0, 0, 0, 0, 2, 11, 15, 0, 0, 0, 0, 0, 0]
#      0  2  3  4  5  6  7  8  9  10 11 12  13 14 15 16 17 18 19  20  21 22 23 24 25 26

maxi = 0
now = 0
best_ind = -1
prew_ind = -1
next_ind = 1
while next_ind < len(lst):
    if lst[next_ind] == 0:
        now += 1
        next_ind += 1
    else:
        if maxi < now:
            maxi = now
            best_ind = prew_ind
            now = 0
        prew_ind = next_ind
        next_ind += 1

if next_ind == len(lst):
    maxi = now
    best_ind = prew_ind

print(maxi, best_ind + 2)