题解 | #记票统计#

num = int(input())
person_list = list(map(str,input().split()))
voke_num = int(input())
voke_list = list(map(str,input().split()))
ss = 'Invalid'
dic = {}
for i in range(num):
    dic[person_list[i]] = 0
dic[ss] = 0
for s in voke_list:
    if s in person_list:
        if s not in dic:
            dic[s] = 1
        else:
            dic[s] += 1
    else:
        dic[ss] += 1

for j in dic:
    print(j + " : " + str(dic[j]))