# sing
#
# this silly function is given an integer value and prints the verse of
# "99 Bottles of Beer" that begins with that number
#
def sing(number):
	start = str(number)
	end = str(number-1)

	print "\n" + start + " bottles of beer on the wall, "
	print start + " bottles of beer."
	print "Take one down, and pass it around, "
	print end + " bottles of beer on the wall. "

# control
#
# This function asks the user to enter a number to start singing
# the song, and then calls the function repeatedly until
# the number zero is reached (or the user kills the process!)
#
def control():
	print "Let's sing '999 bottles!\n"

	verseNumber = input("Enter the verse you want to start on>> ")

	for verse in range (verseNumber, 0, -1):
		sing(verse)

	print "\n\n Ta-dah!"

control()