Working with a Potentiometer and Two LEDs

1const int analog_ip = A0;
2const int LED1 = 3;
3const int LED2 = 9;
4int  inputVal = 0;
5
6void setup() {
7  pinMode (LED1, OUTPUT);
8  pinMode (LED2,  OUTPUT);
9}
10
11void loop() {
12  inputVal = analogRead(analog_ip);
13  analogWrite  (LED1, inputVal/4);
14  analogWrite (LED2, (1023-inputVal)/4);
15  
16}