#define button_R 17
#define button_Y 16
#define LED_R 22
#define LED_Y 12
int bnR =0;
int bnY =0;

void setup() {
  Serial.end();
  Serial.begin(115200);
  pinMode(LED_Y, OUTPUT);
  pinMode(LED_R, OUTPUT);
  pinMode(button_R, INPUT);
  pinMode(button_Y, INPUT);
}

void loop() {
  bnR=digitalRead(button_R);
  bnY=digitalRead(button_Y);

  Serial.print(" Y : ");
  Serial.print(bnY);
  Serial.print(" R : ");
  Serial.println(bnR);
  if (bnR== 1){
    digitalWrite(LED_R, HIGH);
    digitalWrite(LED_Y, LOW);
  }
  else if (bnY == 1) {
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_Y, HIGH);
  }
  else{
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_Y, LOW);
  }
  delay(100);
}