题解 | #记票统计#

num = int(input().strip())
table1 = list(map(str,input().strip().split(" ")))
num2 = int(input().strip())
table2 = list(map(str,input().strip().split(" ")))
retable,miscount = {},0
for i in table1:
    retable[i] = 0
for j in table2:
    try:
        retable[j] +=1
    except:
        miscount +=1
for i in table1:
    print(i,':',retable[i])
print(f'Invalid : {miscount}')