int Count=0;
int Rled=1;
int Yled=2;
int Gled=3;
int Wled=4;



void setup() {
Serial.begin(9600);
pinMode(Rled,OUTPUT);
pinMode(Yled,OUTPUT);
pinMode(Gled, OUTPUT);
pinMode(Wled,OUTPUT);

  // put your setup code here, to run once:

}

void loop() {
Count++;
delay(1000);
Serial.println(Count);
if(Count<5){

digitalWrite(Rled,HIGH);
digitalWrite(Yled,LOW);
digitalWrite(Gled,LOW);
digitalWrite(Wled,LOW);

}
else if(Count==7){
digitalWrite(Rled,LOW);
digitalWrite(Yled,HIGH);
digitalWrite(Gled,LOW);
digitalWrite(Wled, LOW);

}
else if(Count==10){
  digitalWrite(Rled,LOW);
  digitalWrite(Yled,LOW);
  digitalWrite(Gled,HIGH);
  digitalWrite(Wled,LOW);
  }
else if(Count>10) {
  digitalWrite(Rled,LOW);
  digitalWrite(Yled,LOW);
  digitalWrite(Gled,LOW);
  digitalWrite(Wled,HIGH);
  }




  // put your main code here, to run repeatedly:

}