#define LED_BLUE 13
#define LED_YELLOW 12
#define LED_GREEN 11

#define SWT_BLUE 2
#define SWT_YELLOW 3
#define SWT_GREEEN 4

#define PRESSED LOW

#define ON LOW
#define OFF HIGH

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_BLUE, OUTPUT);
  pinMode(LED_YELLOW, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);

  pinMode(SWT_BLUE, INPUT_PULLUP);
  pinMode(SWT_YELLOW, INPUT_PULLUP);
  pinMode(SWT_GREEEN, INPUT_PULLUP);

  digitalWrite(LED_BLUE, !digitalRead(SWT_BLUE));
  digitalWrite(LED_YELLOW, !digitalRead(SWT_YELLOW));
  digitalWrite(LED_GREEN, !digitalRead(SWT_GREEEN));
  
}

void loop() {
  // put your main code here, to run repeatedly:

  digitalWrite(LED_BLUE, !digitalRead(SWT_BLUE));
  digitalWrite(LED_YELLOW, !digitalRead(SWT_YELLOW));
  digitalWrite(LED_GREEN, !digitalRead(SWT_GREEEN));
}