int LED1 = 13;
int LED2 = 12;
int LED3 = 8;
int Button = 7;
bool buttonstatus = false;

int status = 0;

void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(Button, INPUT);
}

void loop(){
  buttonstatus = digitalRead(Button);
  if(buttonstatus == HIGH)
  {
    status++;
    delay(600);
  }
    if(status==1)
    {
    digitalWrite(LED1,HIGH);
    }
    else
    {
      if(status==2)
      {
      digitalWrite(LED2, HIGH);
      }
      else
      {
        if (status==3)
      {
        digitalWrite(LED3, HIGH);
      }
      else
      {
        (status = 0);
        digitalWrite(LED1, LOW);
        digitalWrite(LED2, LOW);
        digitalWrite(LED3, LOW);
      }
    }
  }
}