import collections
import itertools

N = int(input())
A,B,C = map(int,input().split())
SS = input().split()
L = [0]
for s in SS:
    L.append(len(s))
AC = list(itertools.accumulate(L))
d = collections.defaultdict(int)
for ac in AC:
    d[ac]=1
ans = 0
for ac in AC:
    if d[ac+A]==1 and d[ac+A+B]==1 and d[ac+A+B+C]==1:
        ans+=1
print(ans)