void setup() {
  // put your setup code here, to run once:

#define R1 3
#define Y1 4
#define G1 5
#define R2 6
#define Y2 7
#define G2 8
pinMode(R1, OUTPUT);
pinMode(Y1,OUTPUT);
pinMode(G1, OUTPUT);
pinMode(R2, OUTPUT);
pinMode(Y2,OUTPUT);
pinMode(G2, OUTPUT);
 }
void loop() 
{
  // put your main code here, to run repeatedly:
digitalWrite(R1, LOW);
digitalWrite(Y1, LOW);

digitalWrite(R2, HIGH);
digitalWrite(Y2, LOW);
digitalWrite(G2, LOW);






digitalWrite(G1, HIGH);
delay(2000);
digitalWrite(G1, LOW);
digitalWrite(Y1, HIGH);
delay(1000);
digitalWrite(Y1, LOW);
digitalWrite(R1, HIGH);
delay(500);
digitalWrite(R2, LOW);
digitalWrite(G2, HIGH);
delay(5000);
digitalWrite(G2, LOW);
digitalWrite(Y2, HIGH);
delay(500);
digitalWrite(Y2, LOW);
digitalWrite(R2, HIGH);
delay(2000);

/*delay(1500);
digitalWrite(R1, LOW);
digitalWrite(Y1, HIGH);
digitalWrite(G1, LOW);
digitalWrite(R2, HIGH);
digitalWrite(Y2, LOW);
digitalWrite(G2, LOW);*/
}