# !/usr/bin/env python3
# -*- coding: utf-8 -*-
__author__ = 'tianyi'
__date__ = '2024/3/24 17:19 '
__file__ = 'HW_HJ94.pyi'


select_num = int(input().rstrip())
select_name = input().split()
action_num = int(input().rstrip())
action_name = input().split()

for i in select_name:
    i_count = action_name.count(i)
    print(i+" : "+str(i_count))
print("Invalid : "+str(action_num - sum([action_name.count(i) for i in select_name])))

input()可以一行一行取出标准输入的字符；

列表sum可以统计出列表的总和