import sys

import RPIO

def main():
	
	if len(sys.argv) < 2:
		print 'Error, you must specify at least one argument'
		return
	
	# Use the BCM addressing scheme
	RPIO.setmode(RPIO.BCM)

	# Setup output
	RPIO.setup(17, RPIO.OUT)
	
	if sys.argv[1] == '1':
		RPIO.output(17, True)
		print 'Relay on'
	else:
		RPIO.output(17, False)
		print 'Relay off'



if __name__ == '__main__':
	sys.exit(main())