N = int(input())
taglis = {}
for i in range(N):
	n = int(input())
	m,s = map(int,input().split(" "))
	string = list(map(str,input().split(" ")))
	for ch in string:
		if ch in taglis:
			taglis[ch] += s
		else:
			taglis[ch] = s
ans = []
for key,val in taglis.items():
	ans.append((val,key))

ans.sort(key=lambda x:(-x[0],x[1]))

count = 0
for val,tag in ans[::]:
	if count > 9:
		break
	print(str(tag) + " " + str(val))
	count += 1