int Hrot=0;
int Hgelb=1;
int Hgruen=2;
int Nrot=3;
int Ngelb=4;
int Ngruen=5;

void setup() {
  // put your setup code here, to run once:
pinMode(Hrot, OUTPUT);
pinMode(Hgelb, OUTPUT);
pinMode(Hgruen, OUTPUT);
pinMode(Nrot, OUTPUT);
pinMode(Ngelb, OUTPUT);
pinMode(Ngruen, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(Hrot,LOW);
digitalWrite(Hgelb,LOW);
digitalWrite(Hgruen,HIGH);
digitalWrite(Nrot,HIGH);
digitalWrite(Ngelb,LOW);
digitalWrite(Ngruen,LOW);
delay(5000);
digitalWrite(Hrot,LOW);
digitalWrite(Hgelb,HIGH);
digitalWrite(Hgruen,LOW);
digitalWrite(Nrot,HIGH);
digitalWrite(Ngelb,LOW);
digitalWrite(Ngruen,LOW);
delay(2000);


delay(1000);


delay(2000);


delay(5000);


delay(2000);


delay(1000);


delay(2000);
}