import RPi.GPIO as GPIO ## Import GPIO library
import time


GPIO.setmode(GPIO.BOARD) ## Use board pin numbering
GPIO.setup(16, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
#PUD_DOWN = na 3.3V
GPIO.setup(18, GPIO.IN, pull_up_down=GPIO.PUD_UP)
#PU_UP    = na zem
GPIO.setup(22, GPIO.OUT) ## Setup GPIO Pin 22 to OUT

while 1:
 if (GPIO.input(16) == 0):
  print "Nic se nedeje"
  GPIO.output(22, False)
  time.sleep(0.2)
 else:
 # When the button switch is not pressed, turn off the LED.
  print "Nekdo prisel, svitime!"
  GPIO.output(22, True)
  time.sleep(0.2)
 if (GPIO.input(18) == 0):
   print "Osmnactka jede"
   time.sleep(0.2)