from collections import defaultdict
score = defaultdict(int)
for _ in range(int(input())):
  _ = int(input())
  _, S = map(int, input().split())
  for tag in input().split():
    score[tag] += S
scorelist = [elm for elm in score.items()]
scorelist.sort(key=lambda elm: (-elm[1], elm[0]))
for idx, (tagname, num) in enumerate(scorelist):
  if idx >= 10:
    break
  print(tagname, num)