#Code Written by : John Nixon
#Date: 19:03:2023  Time: 14:54:51
#Copyrights are applicable
import sys
import os
sys.setrecursionlimit(10000)
try:
  sys.stdin = open('./input.txt', 'r')
  sys.stdout = open('./output.txt', 'w')
except:
  pass



n = int(input())
participants = []
for _ in range(n):
  name,mental_age,physical_age = input().split()
  participants.append((name,int(mental_age),int(physical_age)))

def calculate_iq(participants):
  participants_iq={}

  for participant in participants:
    name,mental_age,physical_age = participant
    participants_iq[name] = abs(mental_age -physical_age) * 100


  return participants_iq


participants_iq = calculate_iq(participants)

i = 1
for key,value in participants_iq.items():
  print(i,":",key,":",value)
  i+=1