n=int(input())
ans=dict()
for _ in range(n):
    input()
    m,s=map(int,input().split())
    t=list(input().split())
    for u in t:
        if not u in ans:ans[u]=0
        ans[u]+=s
ans=dict(sorted(ans.items(),key=lambda x:x[1],reverse=True))
buf={k:ans[k] for k in list(ans)[:min(len(ans),10)]}
for a in buf.items():
    print(*a)