const int buttonPin = A0;  // the number of the pushbutton pin
int buttonValue = 0;

void setup() {

  Serial.begin(9600);
}

void loop() {
  
   buttonValue = analogRead(buttonPin);
if (buttonValue>=1009 && buttonValue<=1020)
 Serial.println(buttonValue);
 if (buttonValue>=999 && buttonValue<=1007)
   Serial.println(buttonValue);
  if (buttonValue>=984 && buttonValue<=997)
    Serial.println(buttonValue);
  if (buttonValue>=953 && buttonValue<=982)
    Serial.println(buttonValue);
    delay(100);
	}