#define IR A2
#define PUMP 3
#define AL 4
void setup() {
  // put your setup code here, to run once:
pinMode(PUMP , OUTPUT );
pinMode(AL , OUTPUT );
digitalWrite(PUMP , LOW);
digitalWrite(AL , LOW);
}
void loop() {
  // put your main code here, to run repeatedly:
int x = analogRead(x);
if (x>400){
  digitalWrite(PUMP , HIGH);
  digitalWrite(AL , HIGH);
  } 
else{
digitalWrite(PUMP , LOW);
digitalWrite(AL , LOW);
}
}