#define top 3
#define right 4
#define left 5
#define bottom 6
#define sw 2

void setup() 
{
   pinMode(top, OUTPUT);
   pinMode(right, OUTPUT);
   pinMode(left, OUTPUT);
   pinMode(bottom, OUTPUT);

   pinMode(sw, INPUT_PULLUP);
   
}

void loop() 
{
    if(analogRead(A1)<500)
        digitalWrite(right, HIGH);
    else    
       digitalWrite(right, LOW);

   if(analogRead(A1)>600)
        digitalWrite(left, HIGH);
    else    
       digitalWrite(left, LOW);


    if(analogRead(A0)<500)
        digitalWrite(bottom, HIGH);
    else    
       digitalWrite(bottom, LOW);

   if(analogRead(A0)>600)
        digitalWrite(top, HIGH);
    else    
       digitalWrite(top, LOW);
}