void Red() {
  analogWrite(11, 255);
  analogWrite(10, 0);   
  analogWrite(9, 0);
}
void Blue() {
  analogWrite(11, 0);
  analogWrite(10, 0);
  analogWrite(9, 255);
}

void Green() {
  analogWrite(11, 0);
  analogWrite(10, 255);
  analogWrite(9, 0);
}

void setup() {
  int Red = 11;
  int Green = 10;
  int Blue = 9;

  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
}

void loop()
 {
  Red();
  delay(1000);
  Blue();
  delay(1000);
  Green();
  delay(1000);
}