int val = 0;
void setup()
{
Serial.begin(9600);
}

void loop()
{
val = analogRead(A0);
if(val<342){
int fade = val/0.7;
analogWrite(5,0);
analogWrite(6,0);
analogWrite(3,fade);
}
else if(val<683){
int fade = val/2.67;
analogWrite(3,255);
analogWrite(6,0);
analogWrite(5,fade);
}
else{
int fade = val/4.01;
analogWrite(3,255);
analogWrite(5,255);
analogWrite(6,fade);
}
}