#! /usr/bin/python

import sys

t1=-735e3
t2= 211e3

def run():
  for l in sys.stdin:
    v = [int(i) for i in l.strip().split()]
    t = (v[6]-t1)/(t2-t1)
    if t<0.25 or t>0.35:
        continue
    for i in range(16):
        print i-6+t, v[i+7]

run()