from machine import*
from time import*
R= Pin(25, Pin.OUT)
J= Pin(26, Pin.OUT)
V= Pin(27, Pin.OUT)
while True :
    R.on()
    sleep(1)
    R.off()
    for i in range(3):
        J.on()
        sleep(0.2)
        J.off()
        sleep(0.2)