#include <IRremote.h>


const int irReceiverPin = 2; 
void setup()
{
Serial.begin(9600);  
IrReceiver.begin(irReceiverPin);
pinMode(12, OUTPUT);
}

void loop() {
if (IrReceiver.decode()) 
  {
 Serial.println(IrReceiver.decodedIRData.command);
 int a = IrReceiver.decodedIRData.command;
 
 if (a == 48)
 {
  digitalWrite(3, HIGH);
 }

else
 {
  digitalWrite(3, LOW);
 }
 
}
IrReceiver.resume();
}