n=int(input())
d={}
for i in range(n):
    input()
    a,b=map(int,input().split())
    c=input().split()
    for j in range(a):
        e=d.get(c[j])
        if e:
            d[c[j]]=b+e
        else:
            d[c[j]]=b
for i ,j in sorted(d.items(),key=lambda x:(-x[1])):
 print(i,j)