num = 0
tags = {}
for _ in range(int(input())):
	input()
	M, S = map(int, input().split())
	input_tags = input().split()
	for tag in input_tags:
		if tag in tags:
			tags[tag] += S
		else:
			tags[tag] = S
ans = {}
for k, v in sorted(tags.items(), key=lambda x:x[0]):
	ans[k] = v
for k, v in sorted(ans.items(), key=lambda x:-x[1]):
	print(k, v)
	num += 1
	if num == 10:
		break