import collections
N = int(input())
d = collections.defaultdict(lambda:0)

for i in range(N):
    input()
    a,b = map(int,input().split())
    tag = input().split()
    for i in range(a):
        d[tag[i]] += b
    
tp = [(val,key) for key,val in d.items()]
tp.sort(key=lambda x:x[1])
tp.sort(key=lambda x:-x[0])

for v,k in tp[:10]:
    print(k,v)