from collections import defaultdict def main(): N = int(input()) D = defaultdict(int) for _ in range(N): _ = input() _, i = map(int, input().split()) for s in input().split(): D[s] += i tag = sorted(D.items()) tag = sorted(tag, key=lambda x: x[1], reverse=True) i = 0 while i < min(len(tag), 10): print(*tag[i], sep=' ') i += 1 main()