N=int(input())
a,b,c=map(int,input().split())
S=[len(x) for x in input().split()]

S_cum=[0]*(N+1)
for i,x in enumerate(S,1):
    S_cum[i]=S_cum[i-1]+x

T=set(S_cum)

X=0
for i in range(N):
    p=S_cum[i]
    if (p+a in T) and (p+a+b in T) and (p+a+b+c in T):
        X+=1

print(X)