const int output1 = A3;
const int output2 = A4;
const int input1 = analogRead(A1);
const int input2 = analogRead(A0);
const int threshold = 500;


void setup() {
  pinMode(A3, OUTPUT);
  pinMode(A4, OUTPUT);
  pinMode(A1, INPUT);
  pinMode(A0, INPUT);
}

void loop() {

 digitalWrite(A3,LOW);
 digitalWrite(A4,LOW);
   

  input1 = analogRead(A1);
  input2= analogRead(A0);
  
 if (input1> 700) {
    digitalWrite(A3,HIGH);
    delay(500);   
  } else {
 if (input2> 700) {
  }
     digitalWrite(A4,HIGH);
     delay(500);   
} 
delay(50);  
}