N = int(input())
tag_d = {}
cnt = 0

def printlist(lst,p):
    global cnt
    lst.sort()
    for i in lst:
        print(i,p)
        cnt+=1
        if cnt==10:
            exit(0)

for i in range(N):
    input()
    a,point = map(int,input().split())
    tag = list(input().split())
    for t in tag:
        tag_d.setdefault(t,0)
        tag_d[t]+=point
tag_d = sorted(tag_d.items(),key=lambda x:x[1])
tag_l = list(reversed(tag_d))

p = tag_l[0][1]
ptr_l = []
for i in tag_l:
    if i[1]==p:
        ptr_l.append(i[0])
    else:
        printlist(ptr_l,p)
        p = i[1]
        ptr_l = [i[0]]
printlist(ptr_l,p)