const int LedBlu=11;
const int LedVerde=10;
const int LedArancione=9;



void setup() {
  // put your setup code here, to run once:
pinMode(LedBlu, OUTPUT);

pinMode(LedVerde, OUTPUT);

pinMode(LedArancione, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(LedBlu, HIGH);
digitalWrite(LedVerde, LOW);
digitalWrite(LedArancione, LOW);
delay(700);

digitalWrite(LedBlu, HIGH);
digitalWrite(LedVerde, HIGH);
digitalWrite(LedArancione, LOW);
delay(700);


digitalWrite(LedBlu, HIGH);
digitalWrite(LedVerde, HIGH);
digitalWrite(LedArancione, HIGH);
delay(2500);

digitalWrite(LedBlu, LOW);
digitalWrite(LedVerde, LOW);
digitalWrite(LedArancione, LOW);
delay(2500);
}