const int touch_pin_A5 = A5;
const int touch_pin_A6 = A6;


const int threshold = 1000;

void setup(void) {
  Serial.begin(115200);
}

void loop(void) {
  int value_A5 = analogRead(touch_pin_A5);
  int value_A6 = analogRead(touch_pin_A6);

  
  if (value_A5 > threshold) {
    Serial.println("A");
  }
  if (value_A6 > threshold) {
    Serial.println("B");
  }


  delay(1000);
}