int Btn = 2;
  
  int Rch = 8;
  int Gch = 9;
  int Rau = 10;
  int Oau = 11;
  int Gau = 12;  

void setup() {
 
 }

void loop() {
  
  digitalWrite(Rch, HIGH);
  digitalWrite(Gau, HIGH);
  
  if(digitalRead(Btn) == HIGH){ 
    
    digitalWrite(Gau, LOW);
    digitalWrite(Oau, HIGH);
    delay(1000);
    digitalWrite(Oau, LOW);
    digitalWrite(Rau, HIGH);
    delay(1000);
    digitalWrite(Rch, LOW);
    digitalWrite(Gch, HIGH);
    delay(5000);
    digitalWrite(Rch, HIGH);
    digitalWrite(Gch, LOW);
    digitalWrite(Rau, LOW);
    digitalWrite(Oau, HIGH);
    delay(1000);
    digitalWrite(Oau, LOW);
    digitalWrite(Gau, HIGH); 
  } 
  
}