int red = 9;
 int pink = 10;
 int purple = 11;
 int cyan = 12;
 int green = 13;

 void setup() {
 pinMode(red, OUTPUT);
 pinMode(pink, OUTPUT);
 pinMode(purple, OUTPUT);
 pinMode(cyan, OUTPUT);
 pinMode(green, OUTPUT);

}

void loop() {
  digitalWrite(red, HIGH);
  digitalWrite(pink, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(cyan, LOW);
  digitalWrite(green, LOW);
  delay(700);

  digitalWrite(red, LOW);
  digitalWrite(pink, HIGH);
  digitalWrite(purple, LOW);
  digitalWrite(cyan, LOW);
  digitalWrite(green, LOW);
  delay(700);

  digitalWrite(red, LOW);
  digitalWrite(pink, LOW);
  digitalWrite(purple, HIGH);
  digitalWrite(cyan, LOW);
  digitalWrite(green, LOW);
  delay(700);

  digitalWrite(red, LOW);
  digitalWrite(pink, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(cyan, HIGH);
  digitalWrite(green, LOW);
  delay(700);

  digitalWrite(red, LOW);
  digitalWrite(pink, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(cyan, LOW);
  digitalWrite(green, HIGH);
  delay(700);
}