n = int(input())
from collections import defaultdict
d = defaultdict(int)
for _ in range(n):
    input()
    m,s = map(int,input().split())
    for t in input().split():
        d[t] += s
lst = [(-v,k) for k,v in d.items()]
lst.sort()
for v,k in lst[:10]:
    print(k,-v)