void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(27, OUTPUT);//red,green1
  pinMode(26, OUTPUT);//yellow,yellow1
  pinMode(25, OUTPUT);//green,red1
  pinMode(33, OUTPUT);//green,red2
  pinMode(32, OUTPUT);//yellow,yellow2
  pinMode(14, OUTPUT);//red,green2
  pinMode(15, INPUT);

}
int swit;
void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  swit = digitalRead(2);
  if(swit == 1){
  digitalWrite(33, HIGH);//right,left red on
  digitalWrite(25, HIGH);//up,down green on
  delay(8000);
  digitalWrite(33, LOW);//right,left red off
  digitalWrite(32, HIGH);//right,left yellow on
  delay(1500);
  digitalWrite(25, LOW);//up,down green off
  delay(500);
  digitalWrite(27, HIGH);//up,down red on
  digitalWrite(32, LOW);//right,left yellow off
  digitalWrite(14, HIGH);//right,left green on
  delay(8000);
  digitalWrite(27, LOW);//up,down red off
  digitalWrite(26, HIGH);//up,down yellow on
  delay(1500);
  digitalWrite(14, LOW);//right, left green off
  delay(500);
  digitalWrite(26, LOW);//up,down yellow off
  }
}