const int BUTTON_PIN1 = 12;
const int BUTTON_PIN2 = 14;


int lastState1 = LOW;
int currentState1;

int lastState2 = LOW;
int currentState2;

void setup() {
  Serial.begin(9600);
  pinMode(BUTTON_PIN1, INPUT_PULLUP);
  pinMode(BUTTON_PIN2, INPUT_PULLUP);
}

void loop() {
  // read the state of the switch/button:
  currentState1 = digitalRead(BUTTON_PIN1);
  currentState2 = digitalRead(BUTTON_PIN2);

  if (lastState1 == LOW && currentState1 == HIGH)
    Serial.println("The button 1 is pressed");
  delay(50);
  lastState1 = currentState1;

  if (lastState2 == LOW && currentState2 == HIGH)
    Serial.println("The button 2 is pressed");
  delay(50);
  lastState2 = currentState2;
}