int currentState1;             
int currentState2;
int currentState3;
int currentState4;
int buttomfull = LOW;
void setup() {
  Serial.begin(9600);
  Serial.println("Begin");
  pinMode(13, INPUT_PULLUP);
  pinMode(12, INPUT_PULLUP);
  pinMode(14, INPUT_PULLUP);
  pinMode(27, INPUT_PULLUP);
  pinMode(22, OUTPUT); //to run pump
}
void loop() {
  currentState1 = digitalRead(13); //deep well empty water
  currentState2 = digitalRead(12); //deep well enough water
  currentState3 = digitalRead(14); //enough level to add water
  currentState4 = digitalRead(27); //max water level on tank

  if (currentState1 == HIGH || currentState4 == LOW){
    digitalWrite(22, LOW);
    if (currentState1 == HIGH)
    buttomfull = LOW;
  }
  else if (currentState4 == HIGH && buttomfull == HIGH) {
    if (currentState3 == HIGH )
    digitalWrite(22,HIGH);
  }
  else if (currentState1 == LOW )
    if (currentState2 == LOW){
    digitalWrite(22, HIGH);
    buttomfull = HIGH;
    }
  else 
  digitalWrite(22,LOW);
}