import machine
from machine import Pin

ledRojo = Pin(12,Pin.OUT)
ledAzul = Pin(14,Pin.OUT)

sliderA = Pin(5,Pin.IN,Pin.PULL_UP)
sliderB = Pin(2,Pin.IN,Pin.PULL_UP)

while True:
    A = sliderA.value()
    B = sliderB.value()
    sumador = (not A and B) or (A and not B) 
    #XOR = (NotA and B) or (A and notB)
    carry = A and B
    ledRojo.value(sumador)
    ledAzul.value(carry)
    print("A="+str(bool(A))+" B="+str(bool(B))+" S="+str(bool(sumador))+" C="+str(bool(carry)))