bool ledR = false;
bool ledG = false;
bool press_key = false;
bool ledB = false;





void setup() {
  // put your setup code here, to run once:
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
pinMode(9, OUTPUT);
pinMode(4, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
bool key = digitalRead(4);
if (key && !press_key){
  press_key = true;
  delay(50);
}

if (!key && press_key){
  press_key = false;
  delay(50);
  ledR = !ledR;
}

if (key && !press_key){
  press_key = true;
  delay(50);

}

if (!key && press_key){
  press_key = false;
  delay(50);
  ledG = !ledG;
}

if (key && !press_key){
  press_key = true;
  delay(50);
}

if (!key && press_key){
  press_key = false;
  delay(50);
  ledB = !ledB;
}
digitalWrite(11, ledR);
digitalWrite(10, ledB);
digitalWrite(9, ledG);
}