https://www.acmicpc.net/problem/11098
11557번 양조장이랑 거의 똑같다!
n = int(input())
for _ in range(n):
p = int(input())
players = {}
for _ in range(p):
c, name = input().split()
players[name] = int(c)
expensive = max(players, key=players.get)
print(expensive)