const int BUTTON = 12;
const int DRS = 5; 
const int NYL = 15;
const int WIN = 19;
int buttonState = 0;
int count = 0;
int newcount;

void setup() {
  Serial.begin(115200);
  pinMode(5, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(12, INPUT);
}

void loop() {

   if(digitalRead(12)==HIGH)
  {
  newcount=count+1;
     if(newcount!=count)
       {
        Serial.println(newcount);
        switch (newcount)
           {

  case 1:
  digitalWrite(5, HIGH);
  digitalWrite(15, LOW);
  digitalWrite(19, LOW);
  delay(500);
  digitalWrite(5, LOW);
  digitalWrite(15, HIGH);
  digitalWrite(19, LOW);
  delay(500);
  digitalWrite(5, LOW);
  digitalWrite(15, LOW);
  digitalWrite(19, HIGH);
  delay(500);
  break;
  
   newcount=0;
                       break;
            }
       count=newcount;
       }
  }
  delay(100);
}