import RPi.GPIO as GPIO, time

GPIO.setmode(GPIO.BCM)
GPIO.setup(17, GPIO.OUT)
GPIO.setup(27, GPIO.OUT)
GPIO.setup(3, GPIO.IN)    

angle = input("Kakudo = ")
direction = raw_input("Houkou = ")

if direction == "r" :
    GPIO.output(17, GPIO.HIGH)
    GPIO.output(27, GPIO.LOW)
else :
    GPIO.output(17, GPIO.LOW)
    GPIO.output(27, GPIO.HIGH)
    
b=GPIO.input(3)
while True:
    a=GPIO.input(3)
    if a != b :
        time.sleep(0.3)
        b = a
        angle = angle - 1
        if angle == 0 :
            GPIO.output(17, GPIO.LOW)
            GPIO.output(27, GPIO.LOW)
            break

print("end\n")

GPIO.cleanup()