N = int(input())
a, b, c = map(int, input().split())
S = list(input().split())
A = [0] * N
for i in range(N):
    A[i] = len(S[i])
    
Ac = [0] * (N + 1)
for i in range(N):
    Ac[i + 1] = Ac[i] + A[i]
S = set(Ac)
ans = 0
for v in Ac:
    if v + a in S and v + a + b in S and v + a + b + c in S:
        ans += 1
print(ans)