int Button = 0;

int Counter = 0;

int Gasse = 0;

void setup()
{
  pinMode(2, OUTPUT);
  pinMode(13, INPUT);
  pinMode(4, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(12, OUTPUT);
}

void loop()
{
  digitalWrite(2, HIGH);
  Button = digitalRead(13);
  while (digitalRead(13) == LOW) {
    Button = digitalRead(13);
  }
  if (Button == HIGH) {
    digitalWrite(4, HIGH);
    while (digitalRead(13) == HIGH) {
      Button = digitalRead(13);
    }
  }
  while (digitalRead(13) == LOW) {
    Button = digitalRead(13);
  }
  if (Button == HIGH) {
    digitalWrite(7, HIGH);
    while (digitalRead(13) == HIGH) {
      Button = digitalRead(13);
    }
    while (digitalRead(13) == LOW) {
      Button = digitalRead(13);
    }
  }
  if (Button == HIGH) {
    digitalWrite(8, HIGH);
    while (digitalRead(13) == HIGH) {
      Button = digitalRead(13);
    }
    while (digitalRead(13) == LOW) {
      Button = digitalRead(13);
    }
  }
  if (Button == HIGH) {
    digitalWrite(12, HIGH);
    while (digitalRead(13) == HIGH) {
      Button = digitalRead(13);
    }
    while (digitalRead(13) == LOW) {
      Button = digitalRead(13);
    }
  }
  if (Button == HIGH) {
    digitalWrite(2, LOW);
    digitalWrite(4, LOW);
    digitalWrite(7, LOW);
    digitalWrite(8, LOW);
    digitalWrite(12, LOW);
    delay(1000); // Wait for 1000 millisecond(s)
  }
}