tag = {}
n = int(input())

for i in range(n):
    input()
    m, s = [ int(v) for v in input().split() ]
    tags = input().split()
    for j in tags:
        if j not in tag:
            tag[j] = s
        else:
            tag[j] += s
        
ans_list = [(-tag[i], i) for i in tag]
ans_list.sort()

for v, i in ans_list[:10]:
    print(i, -v)