//Examne 1° parcial_d)
int led = 23;
int b1, b2, b3;
void setup() {
 pinMode(led, OUTPUT);
 pinMode(13, INPUT);
 pinMode(12, INPUT);
 pinMode(11, INPUT);
}

void loop() {
  b1 = digitalRead(34);
  b2 = digitalRead(35);
  b3 = digitalRead(32);

  if(b1 == HIGH && b2 == HIGH || b1 == HIGH && b3 == HIGH || b2 == HIGH && b3 == HIGH)
  {
    digitalWrite(led, HIGH);
  }
  if(b1 == HIGH && b3 == HIGH)
  {
    digitalWrite(led, HIGH);
  }
  if(b2 == HIGH && b3 == HIGH)
  {
    digitalWrite(led, HIGH);
  }
  else digitalWrite(led, LOW);
}