import machine
from machine import Pin

S1=Pin(2, Pin.OUT)
S0=Pin(1, Pin.OUT)
E1=Pin(4, Pin.IN, Pin.PULL_UP)
E2=Pin(5, Pin.IN, Pin.PULL_UP)

while True:
    A=E1.value()
    B=E2.value()

    suma1=(A and B)
    suma0=((not A and B) or (A and not B))
    S1.value(suma1)
    S0.value(suma0)