from machine import Pin
import time
J1=Pin(19,Pin.IN)
U1=Pin(21,Pin.IN)
N1=Pin(22,Pin.IN)
O1=Pin(23,Pin.IN)
led=Pin(25,Pin.OUT)

def fun():
    while True:
        J= J1.value()
        U= U1.value()
        N= N1.value()
        O= O1.value()
        if (L or V and not S or S and not F):
            led.on()
        else:
            led.off()
fun()