int input = A0;
int led = LED_BUILTIN;

void setup() {
  pinMode(input, INPUT);
  Serial.begin(9600);           // Use Serial Monitor to debug
}

void loop() {
  int pinValue = analogRead(input);
  
  if(pinValue > 0) {
    Serial.println(pinValue);
    digitalWrite(led, HIGH);
  }
  else {
    digitalWrite(led, LOW);
  }
  Serial.println(pinValue);
}