N = int(input())
d = {}

for i in range(N):
    no = int(input())
    M, S = map(int, input().split())
    l = list(map(str, input().split()))
    for li in l:
        try:
            d[li] += S
        except:
            d[li] = S
        
value_list = d.values()
value_list = sorted(value_list)
value_list.reverse()

ck = 0
for li in value_list:
    if li != ck:
        keys = [k for k, v in d.items() if v == li]
        keys.sort()
        for key in keys:
            print(key,li)
        
    ck = li