n=int(input())
d={}
for _ in range(n):
  input()
  m,s=map(int,input().split())
  for i in list(input().split()):
    if i in d:
      d[i]+=s
    else:
      d[i]=s
k=sorted([(-b,a) for a,b in zip(d.keys(),d.values())])
for i in range(min(10,len(k))):
  a,b=k[i]
  print(b,-a)