from itertools import accumulate
import bisect

N=int(input())
a,b,c=map(int,input().split())
S=input().split()
S=[len(s) for s in S]
A=[0]+list(accumulate(S))

ANS=0

for i in range(N):
    x=A[i]

    y=bisect.bisect(A,x+a)
    z=bisect.bisect(A,x+a+b)
    w=bisect.bisect(A,x+a+b+c)



    if A[y-1]==x+a and A[z-1]==x+a+b and A[w-1]==x+a+b+c:
        ANS+=1
    
print(ANS)