from machine import*
from time import*
red=Pin(14,Pin.OUT)
yellow=Pin(12,Pin.OUT)
green=Pin(13,Pin.OUT)
r=Pin(2,Pin.OUT)
b=Pin(4,Pin.OUT)
s=PWM(Pin(5,mode=Pin.OUT))
s.freq(50)
while True:
  for i in range(3):
    red.on()
    sleep(1)
    red.off()
    green.on()
    sleep(1)
    green.off()
    for g in range(3):
      yellow.on()
      sleep(1)
      yellow.off()
      sleep(0.2)
  for c in range(5):
    red.on()
    r.on()
    sleep(0.2)
    r.off()
    b.on()
    sleep(0.2)
    b.off()
    for g in range(5):
      s.duty(27)