const int sensorLow =2;
const int sensorHigh =3;
const int pump =4;
const int error =5;


void setup() {
pinMode(sensorLow, INPUT);
pinMode(sensorHigh, INPUT);
pinMode(pump, OUTPUT);
pinMode(error, OUTPUT);

}

void loop() {
  // put your main code he10run repeatedly:

int memory;

int sensorL=digitalRead(sensorLow);
int sensorH=digitalRead(sensorHigh);

if(sensorL==LOW&&sensorH==LOW){
digitalWrite(pump, HIGH);
digitalWrite(error, LOW);
}

else if(sensorH==HIGH&&sensorH==LOW){
digitalWrite(pump, HIGH);
digitalWrite(error, LOW);
}
else if(sensorH==HIGH&&sensorL==LOW){
digitalWrite(pump, LOW);
digitalWrite(error, HIGH);
}
memory = digitalRead(sensorL==HIGH&&sensorH==LOW);
memory = 0;

while(memory == 1){
  digitalWrite(pump, HIGH);
}
memory =1;

while(memory == 2){
  digitalWrite(pump, LOW);
}
}