data=[]
for i in range(int(input())):
    input()
    a,sc=list(map(int,input().split()))
    tag=input().split()
    data.append([sc,tag])
score={}
for i in range(len(data)):
    for j in data[i][1]:
        if j in score:
            score[j]+=data[i][0]
        else:
            score[j]=data[i][0]
lsc=[]
for i in score:
    lsc.append([i,score[i]])
lsc.sort(key=lambda x:(-x[1],x[0]))
for i in range(10):
    try:
        print(lsc[i][0]+" "+str(lsc[i][1]))
    except:
        break