#define LED_AZUL        10
#define LED_AMARILLO    9
#define BOTON_AZUL      4
#define BOTON_AMARILLO  5

void setup() 
{
pinMode(LED_AZUL, OUTPUT);
pinMode(LED_AMARILLO, OUTPUT);
pinMode(BOTON_AZUL, INPUT);
pinMode(BOTON_AMARILLO, INPUT);

}

void loop() 
{
  if (digitalRead(BOTON_AZUL) == HIGH)
  {
    digitalWrite(LED_AZUL, HIGH);
  }
  else
  {
    digitalWrite(LED_AZUL, LOW);
  }

}