n = int(input())
abc = list(map(int,input().split()))
from collections import defaultdict
ss = list(input().split())
s = []
for i in range(n):
    s.append(len(ss[i]))
d = [defaultdict(int) for _ in range(3)]
for cnt,a in enumerate(abc):
    j = -1
    sum_ = 0
    for i in range(n):
        while j+1 <= n-1 and sum_ + s[j+1] < a:
            j += 1
            sum_ += s[j]
        if j+1 <= n-1 and sum_ + s[j+1] ==  a:
#             print(sum_,cnt,i,j,"a")
            d[cnt][i] = j+1
        sum_ -= s[i]
ans = 0
for k in d[0].keys():
#     print(k)
    b = d[0][k] + 1
    if b in d[1]:
        c = d[1][b] + 1
        if c in d[2]:
            ans += 1
print(ans)