int ledmerah = 12;
int ledkuning = 11;
int ledhijau = 10;

int ledmerah = 7;
int ledkuning = 4;
int ledhijau = 2;

int ledmerah = 7;
int ledkuning = 4;
int ledhijau = 2;

int ledmerah = 7;
int ledkuning = 4;
int ledhijau = 2;

void setup() {
  pinMode(7, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, OUTPUT);

}

void loop() {
  digitalWrite(7, HIGH);
  delay(5000);
  digitalWrite(7, LOW);

  digitalWrite(4, HIGH);
  delay(1000);
  digitalWrite(4, LOW);

  digitalWrite(2, HIGH);
  delay(5000);
  digitalWrite(2, LOW);

  digitalWrite(7, HIGH);
  delay(5000);
  digitalWrite(7, LOW);

  digitalWrite(4, HIGH);
  delay(1000);
  digitalWrite(4, LOW);

  digitalWrite(2, HIGH);
  delay(5000);
  digitalWrite(2, LOW);

}