#define lc 25
#define lp 26
#define lw 27
#define ly 14
void setup() {
  pinMode(lc, OUTPUT);
  pinMode(lp, OUTPUT);
  pinMode(lw, OUTPUT);
  pinMode(ly, OUTPUT);
}

void loop() {
  digitalWrite(lc, HIGH);
  digitalWrite(lp, LOW);
  digitalWrite(lw, LOW);
  digitalWrite(ly, LOW);
  delay(500);
  digitalWrite(lc, LOW);
  digitalWrite(lp, HIGH);
  digitalWrite(lw, LOW);
  digitalWrite(ly, LOW);
  delay(500);
  digitalWrite(lc, LOW);
  digitalWrite(lp, LOW);
  digitalWrite(lw, HIGH);
  digitalWrite(ly, LOW);
  delay(500);
  digitalWrite(lc, LOW);
  digitalWrite(lp, LOW);
  digitalWrite(lw, LOW);
  digitalWrite(ly, HIGH);
  delay(500);
  }