stus = []
class Student:
    def __init__(self,id,data,ave):
        self.id = id
        self.data= data
        self.ave=ave

n=int(input())
for i in range(n):
  t=list(map(int,input().split()))
  x=t[0:1]
  y=t[1:]
  y=sorted(y)
  stus.append(Student(id=x[0],data=y,ave=sum(y[1:4])/3))


stulist = sorted(stus, key=lambda zz:(-zz.ave, zz.id))

for i in range(3):
  print("%d %.3lf"%(stulist[i].id,stulist[i].ave))

/**************************************************************
	Problem: 1315
	User: admin
	Language: Python
	Result: Accepted
	Time:91 ms
	Memory:34480 kb
****************************************************************/