#define LLILA  10
#define LGRUEN 11 
#define LROT   12
#define LGELB  9

void setup() {
  pinMode ( LLILA , OUTPUT );
  pinMode ( LGRUEN , OUTPUT );
  pinMode ( LROT , OUTPUT );
  pinMode ( LGELB , OUTPUT );
}

void one(){
   digitalWrite (LLILA,  HIGH);
  digitalWrite (LGRUEN, LOW);
  digitalWrite (LROT,   LOW);
  digitalWrite (LGELB,  LOW);
  delay (500);
}
void two(){
   digitalWrite (LLILA,  LOW);
  digitalWrite (LGRUEN, HIGH);
  digitalWrite (LROT,   LOW);
  digitalWrite (LGELB,  LOW);
  delay (500);
}
void tree(){
   digitalWrite (LLILA,  HIGH);
  digitalWrite (LGRUEN, HIGH);
  digitalWrite (LROT,   LOW);
  digitalWrite (LGELB,  LOW);
  delay (500);
}
void four(){
   digitalWrite (LLILA,  LOW);
  digitalWrite (LGRUEN, HIGH);
  digitalWrite (LROT,   HIGH);
  digitalWrite (LGELB,  LOW);
  delay (500);
}
void five(){
   digitalWrite (LLILA,  HIGH);
  digitalWrite (LGRUEN, HIGH);
  digitalWrite (LROT,   HIGH);
  digitalWrite (LGELB,  LOW);
  delay (500);
}
void six(){
   digitalWrite (LLILA,  LOW);
  digitalWrite (LGRUEN, HIGH);
  digitalWrite (LROT,   HIGH);
  digitalWrite (LGELB,  HIGH);
  delay (500);
}


void loop() {
one();
two();
tree();
four();
five();
six();
}