def judge(string_2, list_things, count_things):
	#判断是否有违禁物品
	my_list = []
	for thing in list_things:
		if thing in string_2:
			count_things += 1
			my_list.append(thing)
			#print(thing)
	return my_list, count_things

if __name__ == '__main__':
	string_1 = input().split()
	string_2 = input().split()	
	count_guys, count_things = 0, 0
	for i in range(int(string_1[0])):
		list_things = []
		string_3 = input().split()
		list_things = string_3[2:]
		
		list_things, count_things = judge(string_2, list_things, count_things)		
		if list_things:
			count_guys += 1
			print(string_3[0] + ': ', end = '')
			print(' '.join(list_things))
	print("%d %d" %(count_guys,count_things))