B,C,D = map(int, input().split())
N = int(input())
A = list(map(int, input().split()))
dp = [1,0,0,0]
for i in range(N):
    dp[3] += dp[3]
    dp[3 if A[i] >= D else 2] += dp[2]
    dp[2 if A[i] >= C else 1] += dp[1]
    dp[1 if A[i] >= B else 0] += dp[0]
print(dp[3])