# name: Richard Weiss
# date: 10-5-06
# description: reading from files

############################

filename = raw_input("enter data filename ")

f = open(filename)

line = f.readline()
while line:
	value = float(line)
	print value
	line = f.readline()

# compute average
# get input from user: -1 to stop
# accumulate the sum,
# divide by the count