from collections import Counter

C = Counter()

N = int(input())
for i in range(N) :
    No = int(input())
    M,S = map(int,input().split())
    T = input().split()
    for t in T :
        C[t] += S

A = C.most_common(10*1000+1)
A = sorted(A, key=lambda x: x[0], reverse=False)
A = A[:10]
A = sorted(A, key=lambda x: x[1], reverse=True)
for a in A :
    print(*a)