while True:
try:
x=int(input())
arr1=input().split()
if len(arr1)==x and 1<=len(arr1)<=100:
y=int(input())
arr2=input().split()
if len(arr2)==y and 1<=len(arr2)<=100:
dic={}
for a in arr1:
dic[a]=0
for b in arr2:
if b==a:
dic[a]+=1
for val in dic.values():
y=y-val
dic['Invalid']=y
for key,value in dic.items():
print(key+' : '+str(value))
break
except:
break
try:
x=int(input())
arr1=input().split()
if len(arr1)==x and 1<=len(arr1)<=100:
y=int(input())
arr2=input().split()
if len(arr2)==y and 1<=len(arr2)<=100:
dic={}
for a in arr1:
dic[a]=0
for b in arr2:
if b==a:
dic[a]+=1
for val in dic.values():
y=y-val
dic['Invalid']=y
for key,value in dic.items():
print(key+' : '+str(value))
break
except:
break



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