n = int(input())
a, b, c = map(int, input().split())
S = input().split()
S = [len(s) for s in S]
ans = 0
se = {0}
tot = 0
for i in range(n):
    tot += S[i]
    se.add(tot)
    if tot - c in se and tot - c - b in se and tot - c - b - a in se:
        ans += 1
    
print(ans)