n = int(input())

dic = {}
for i in range(n):
    no = int(input())
    m, s = map(int, input().split())
    tag = input().split()
    for j in range(m):
        if tag[j] not in dic:
            dic[tag[j]] = s
        else:
            dic[tag[j]] += s

ans = sorted(dic.items(), key=lambda x: (-x[1], x[0]))

cnt = 0
for k, v in ans:
    print(k, v)
    cnt += 1
    if cnt == 10:
        break