int rpin = 12;
int gpin = 11;
int bpin = 10;
int ppin = A0;
int pread;
int dtime = 100;
int dtime2 =500;

void setup() {
Serial.begin(9600);
pinMode(rpin, OUTPUT);
pinMode(gpin, OUTPUT);
pinMode(bpin, OUTPUT);
pinMode(ppin, INPUT);
}

void loop() {
pread = analogRead(ppin);
Serial.println(pread);

if (pread > 0 && pread < 200) {

  digitalWrite(rpin, HIGH);
  delay(dtime2);
  digitalWrite(rpin, LOW);

}
if (pread > 200 && pread << 400){
  digitalWrite(rpin,bpin, HIGH);
   delay(dtime);
  digitalWrite(rpin, bpin,LOW);

}
delay(dtime);

}