int ledred = 13;
int ledyellow = 12;
int ledgreen = 11;
int STP = 150;
int WT = 600;
int GO = 1000;

void setup() {
  // put your setup code here, to run once:
  pinMode(ledred, OUTPUT);
  pinMode(ledyellow, OUTPUT);
  pinMode(ledgreen, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(ledred, HIGH);
  delay(STP);
  digitalWrite(ledred, LOW);
  delay(STP);
  digitalWrite(ledred, HIGH);
  delay(STP);
  digitalWrite(ledred, LOW);
  delay(STP);
  digitalWrite(ledred, HIGH);
  delay(STP);
  digitalWrite(ledred, LOW);
  delay(STP);
  digitalWrite(ledred, HIGH);
  delay(STP);
  digitalWrite(ledred, LOW);
  delay(STP);
  digitalWrite(ledred, HIGH);
  delay(STP);
  digitalWrite(ledred, LOW);
  delay(STP);

  digitalWrite(ledyellow, HIGH);
  delay(WT);
  digitalWrite(ledyellow, LOW);
  delay(WT);
  digitalWrite(ledyellow, HIGH);
  delay(WT);
  digitalWrite(ledyellow, LOW);
  delay(WT);
  digitalWrite(ledyellow, HIGH);
  delay(WT);
  digitalWrite(ledyellow, LOW);
  delay(WT);
  digitalWrite(ledyellow, HIGH);
  delay(WT);
  digitalWrite(ledyellow, LOW);
  delay(WT);
  digitalWrite(ledyellow, HIGH);
  delay(WT);
  digitalWrite(ledyellow, LOW);
  delay(WT);

  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
  digitalWrite(ledgreen, HIGH);
  delay(GO);
  digitalWrite(ledgreen, LOW);
  delay(GO);
}