题解 | #记票统计#

a = int(input())
b = list(input().split())
c = int(input())
d = list(input().split())
e = [0] * len(b)
t = 0
for i in b:
    e[t] = d.count(i)
    print(b[t], ":", e[t])
    t += 1
print("Invalid", ":", len(d) - sum(e))