int modra =  13;
int rdeca = 12;
int zelena = 11;

void setup() {
  pinMode(modra, OUTPUT);
  pinMode(rdeca, OUTPUT);
  pinMode(zelena, OUTPUT);


}

void loop() {
  digitalWrite(modra, HIGH);
  digitalWrite(rdeca, LOW);
  digitalWrite(zelena, LOW);
  delay(1000);
  digitalWrite(modra, LOW);
  digitalWrite(rdeca, HIGH);
  digitalWrite(zelena, LOW);
  delay(1000);
  digitalWrite(zelena, HIGH);
  digitalWrite(rdeca, LOW);
  digitalWrite(modra, LOW);
  delay(1000);
  digitalWrite(zelena, HIGH);
  digitalWrite(rdeca, HIGH);
  digitalWrite(modra, HIGH);
  delay(1000);
  digitalWrite(zelena, LOW);
  digitalWrite(rdeca, LOW);
  digitalWrite(modra, LOW);
  

  


}