#!/usr/bin/env python

import sys
from decimal import Decimal

if __name__ == "__main__":
	lst = []
	while True:
		s = sys.stdin.readline()
		if not s:
			break
		ss = s.strip().split()
		lst.append(ss)

	print( '\n'.join( map(str, lst) ) )
	print( '-' * 30 )

	ts = list( map( lambda ss: Decimal( ss[4] ), lst ) )
	ds = list( map( lambda i: ts[i+1] - ts[i], range( len(ts) - 1 ) ) )

	print( '\n'.join( map(str, ds) ) )
	print( '-' * 30 )

	ms = list( map( lambda i: ds[i+1] / ds[i], range( len(ds) - 1 ) ) )

	print( '\n'.join( map(str, ms) ) )
	print( '-' * 30 )
# EOF