import machine
from machine import Pin

#ENTRADA
A_in = Pin(19, Pin.IN, Pin.PULL_UP)
B_in = Pin(15, Pin.IN, Pin.PULL_UP)
C_in = Pin(4, Pin.IN, Pin.PULL_UP)

#SALIDA
led_suma = Pin(13, Pin.OUT)
led_carry = Pin(14, Pin.OUT)

while True:
    A = A_in.value()
    B = B_in.value()
    C = C_in.value()

    XorAB = (not A and B) or (A and not B)
    Suma = (not C and XorAB) or (C and not XorAB)
    Carry = (A and B) or (A and C) or (B and C)

    led_suma.value(Suma)
    led_carry.value(Carry)