import time
time.sleep(0.1) # Wait for USB to become ready

@micropython.asm_thumb
def fun():
    mov(r0, 42)

x = fun()
print(x)

@micropython.asm_thumb
def suma(r0, r1):
    add(r0, r0, r1)

@micropython.asm_thumb
def resta(r0, r1):
    sub(r0, r0, r1)

while(1):
    print("Dame un número: ")
    a = int(input())
    print("Dame otro número: ")
    b = int(input())
    c = suma(a, b)
    print("La suma es: "+str(c))
    d = resta(a, b)
    print("La resta es: "+str(d))