//int var = 1;      // variable to store the read value

const int rPin = 2; 
const int gPin = 3; 
const int bPin = 4; 
const int yPin = 5; 
int rState = LOW;  
int gState = LOW;  
int bState = LOW;  
int yState = LOW;  
unsigned long currentMillis;
unsigned long rpreviousMillis = 0; 
unsigned long gpreviousMillis = 0; 
unsigned long bpreviousMillis = 0; 
unsigned long ypreviousMillis = 0; 
long rinterval = 500;  
long ginterval = 300; 
long binterval = 200; 
long yinterval = 100; 

void setup() {
  Serial.begin(115200);
  pinMode(rPin, OUTPUT);
  pinMode(gPin, OUTPUT);
  pinMode(bPin, OUTPUT);
  pinMode(yPin, OUTPUT);
  pinMode(8, INPUT_PULLUP);


}

void loop() {

  currentMillis = millis();
///////////////////////////////////////////// Multi tasking LED
//////////////////////////////////////////////////// start millis
  if (currentMillis - rpreviousMillis >= rinterval) {
    rpreviousMillis = currentMillis;
    Serial.println(rpreviousMillis);
    if (rState == LOW) {
      rState = HIGH;
      rinterval = 1000;
    } else {
      rState = LOW;
      rinterval = 5000;

    }
    digitalWrite(rPin, rState);
  }
//////////////////////////////////////////////end millis

//////////////////////////////////////////////////// start millis
  if (currentMillis - gpreviousMillis >= ginterval) {
    gpreviousMillis = currentMillis;

    if (gState == LOW) {
      gState = HIGH;
    } else {
      gState = LOW;
    }
    digitalWrite(gPin, gState);
  }
//////////////////////////////////////////////end millis

//////////////////////////////////////////////////// start millis
  if (currentMillis - bpreviousMillis >= binterval) {
    bpreviousMillis = currentMillis;

    if (bState == LOW) {
      bState = HIGH;
    } else {
      bState = LOW;
    }
    digitalWrite(bPin, bState);
  }
//////////////////////////////////////////////end millis

/////////////////////////////////////////////////// start millis
  if (currentMillis - ypreviousMillis >= yinterval) {
    ypreviousMillis = currentMillis;

    if (yState == LOW) {
      yState = HIGH;
    } else {
      yState = LOW;
    }
    digitalWrite(yPin, yState);
  }
//////////////////////////////////////////////end millis 

  int x = digitalRead(8);
  if (x == 0){
    digitalWrite(6, 1);
  }
  else {
    digitalWrite(6, 0);

  }


}