N = int(input())
U = set([i+1 for i in range(N)])
A = set([int(x) for x in input().split()[1:]])
B = set([int(x) for x in input().split()[1:]])
C = set([int(x) for x in input().split()[1:]])

result = ((U-A) & C) | (B & C)
print(len(result))