Arduino Code bit

#include <IRremote.h>

int RECV_PIN = 3;
int RELAY_PIN = 13;

IRrecv irrecv(RECV_PIN);
decode_results results;

int An = 0;
bool debug = false;

void setup(){
  pinMode(RELAY_PIN, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(7, OUTPUT);
  Serial.begin(9600);
  irrecv.enableIRIn(); // Start the receiver
}

void loop() {
  if (irrecv.decode(&results)) {
    long value = results.value;
    Serial.println(value, HEX);
    irrecv.resume(); // Receive the next value
  }

  if ( Serial.available() > 0 ){
    int state = Serial.read();

    if ( state == 1 ){
      blink(13, 100);
    }else if ( state == 2 ){
      blink(7, 100);
    }else if ( state == 10 ){
      blink(10, 1000);
    }
  }

}

void blink(int pin, long timeout){
  digitalWrite(pin, HIGH);
  delay(timeout);
  digitalWrite(pin, LOW);
}