Arduino IRremote library usage with cheap 20 button IR remote from Xinda

Arduino Xinda IR remote

#include <IRremote.h>

int RECV_PIN = 11;

IRrecv irrecv(RECV_PIN);

decode_results results;

void setup()
{
  Serial.begin(9600);
  irrecv.enableIRIn(); // Start the receiver
}

void loop() {
  if (irrecv.decode(&results)) {
   if(results.value==0xff629d){
     Serial.println("UP");
   }
   if(results.value==0xffa857){
     Serial.println("DOWN");
   }
   if(results.value==0xff22dd){
     Serial.println("LEFT");
   }
   if(results.value==0xffc23d){
     Serial.println("RIGHT");
   }
   if(results.value==0xff02fd){
     Serial.println("OK");
   }
   if(results.value==0xFF6897){
     Serial.println("1");
   }
   if(results.value==0xFF9867){
     Serial.println("2");
   }
   if(results.value==0xffB04F){
     Serial.println("3");
   }
   if(results.value==0xff30CF){
     Serial.println("4");
   }
   if(results.value==0xFF18E7){
     Serial.println("5");
   }
   if(results.value==0xff7A85){
     Serial.println("6");
   }
   if(results.value==0xff10EF){
     Serial.println("7");
   }
   if(results.value==0xff38C7){
     Serial.println("8");
   }
   if(results.value==0xff5AA5){
     Serial.println("9");
   }
   if(results.value==0xff4AB5){
     Serial.println("0");
   }
   if(results.value==0xff42BD){
     Serial.println("*");
   }
   if(results.value==0xff52AD){
     Serial.println("#");
   }
    irrecv.resume(); // Receive the next value
  }
}