#define ledBlue 3
#define ledGrn 2
#define btnBlue 11
#define btnGrn 12

bool statusLedBlue = false;
bool statusBtnBlue = HIGH;

void setup() {
  pinMode(btnBlue, INPUT_PULLUP);
  pinMode(btnGrn, INPUT);
  pinMode(ledBlue, OUTPUT);
  pinMode(ledGrn, OUTPUT);
}

void loop() {
  if(digitalRead(btnGrn) == 1)
  {
    digitalWrite(ledGrn, 1);
  }
  else
  {
    digitalWrite(ledGrn, 0);
  }

  if (digitalRead(btnBlue) == LOW && statusBtnBlue == HIGH) 
  {
    delay(20);
    if (digitalRead(btnBlue) == LOW) 
    {
      statusLedBlue = !statusLedBlue;
    }
  }
  digitalWrite(ledBlue, statusLedBlue ? HIGH : LOW);
  statusBtnBlue = digitalRead(btnBlue);
}