int LED_rojo = 18;
int LED_verde = 19;
int LED_azul = 21;

int pul1 = 17;
int pul2 = 33;
int pul3 = 22;
int pul4 = 32;
int pul5 = 23;
int pul6 = 25;

void setup() {
  pinMode(LED_rojo, OUTPUT);
  pinMode(LED_azul, OUTPUT);
  pinMode(LED_verde, OUTPUT);

  pinMode(pul1, INPUT);
  pinMode(pul2, INPUT);
  pinMode(pul3, INPUT);
  pinMode(pul4, INPUT);
  pinMode(pul5, INPUT);
  pinMode(pul6, INPUT);
}

void loop() {
  int val1 = digitalRead(pul1);
  int val2 = digitalRead(pul2);
  int val3 = digitalRead(pul3);
  int val4 = digitalRead(pul4);
  int val5 = digitalRead(pul5);
  int val6 = digitalRead(pul6);

  if(val1 == HIGH){
    analogWrite(LED_rojo, 255);
    analogWrite(LED_azul, 0);
    analogWrite(LED_verde, 0);
  }
  if(val2 == HIGH){
    analogWrite(LED_rojo, 0);
    analogWrite(LED_azul, 255);
    analogWrite(LED_verde, 0);
  }
  if(val3 == HIGH){
    analogWrite(LED_rojo, 0);
    analogWrite(LED_azul, 0);
    analogWrite(LED_verde, 255);
  }
  if(val4 == HIGH){
    analogWrite(LED_rojo, 0);
    analogWrite(LED_azul, 255);
    analogWrite(LED_verde, 255);
  }
  if(val5 == HIGH){
    analogWrite(LED_rojo, 255);
    analogWrite(LED_azul, 0);
    analogWrite(LED_verde, 255);
  }
  if(val6 == HIGH){
    analogWrite(LED_rojo, 255);
    analogWrite(LED_azul, 255);
    analogWrite(LED_verde, 0);
  }
  
  
}