#define LedRed 12
#define LedBlue 27
#define LedYellow 26
#define LedGreen 25

void Ledred(){
      digitalWrite(LedRed,HIGH);
      digitalWrite(LedBlue,LOW);
      digitalWrite(LedYellow,LOW);
      digitalWrite(LedGreen,LOW);
      delay(500);
}

void Ledblue(){
      digitalWrite(LedRed,LOW);
      digitalWrite(LedBlue,HIGH);
      digitalWrite(LedYellow,LOW);
      digitalWrite(LedGreen,LOW);
      delay(500);
}

void Ledyellow(){
      digitalWrite(LedRed,LOW);
      digitalWrite(LedBlue,LOW);
      digitalWrite(LedYellow,HIGH);
      digitalWrite(LedGreen,LOW);
      delay(500);
}

void Ledgreen(){
      digitalWrite(LedRed,LOW);
      digitalWrite(LedBlue,LOW);
      digitalWrite(LedYellow,LOW);
      digitalWrite(LedGreen,HIGH);
      delay(500);
}



void setup() {
  // put your setup code here, to run once:
  pinMode(LedRed, OUTPUT);
  pinMode(LedBlue, OUTPUT);
  pinMode(LedYellow, OUTPUT);
  pinMode(LedGreen, OUTPUT);
  Serial.begin(115200);
  for (int i = 0; i < 7; i = i + 1){
    if (i == 0 || i == 6){
      Ledred();
    }
    else if(i == 1 || i == 5) {
      Ledblue();
    }
   else if(i == 2 || i == 4) {
      Ledyellow();
    }
   else if (i == 3){
      Ledgreen();
   }
  }
}

void loop() {
  // put your main code here, to run repeatedly:
}