const int led1rood = 10;
const int led1oranje = 9;
const int led1groen = 8;
const int led2rood = 6;
const int led2oranje = 5;
const int led2groen = 4;
const int knop = 7;

int knopstatus = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(led1rood, OUTPUT);
  pinMode(led1oranje, OUTPUT);
  pinMode(led1groen, OUTPUT);
  pinMode(led2rood, OUTPUT);
  pinMode(led2oranje, OUTPUT);
  pinMode(led2groen, OUTPUT);
  pinMode(knop, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
  knopstatus = digitalRead(knop);

  if (knopstatus == 0){
    digitalWrite(led2groen, LOW);
    digitalWrite(led2oranje, HIGH);
    delay(2000);
    digitalWrite(led1rood, LOW);
    digitalWrite(led1groen, HIGH);
    digitalWrite(led2rood, HIGH);
    digitalWrite(led2oranje, LOW);
    delay(2000);
    digitalWrite(led1groen, LOW);
    digitalWrite(led1oranje, HIGH);
    delay(2000);
    digitalWrite(led1oranje, LOW);
    digitalWrite(led2rood, LOW);
  }
  
  else {
    digitalWrite(led1rood, HIGH);
    digitalWrite(led2groen, HIGH);
  }
}