Arduino ir remote truck

nt enablePin = 5;
int in1Pin = 10;
int in2Pin = 11;
int enablePin1 = 6;
int in3Pin = 8;
int in4Pin = 9;
#include "IRLibDecodeBase.h"
#include "IRLibSendBase.h"
#include "IRLib_P01_NEC.h"
#include "IRLibCombo.h"
#include "IRLibRecv.h"
#include "IRLibRecvLoop.h"
#include "IRLibRecvPCI.h"
#include "IRLibFreq.h"
IRrecv myReceiver(2);//receiver on pin 2
IRdecode myDecoder;//Decoder object

void setup()
{
  pinMode(in1Pin, OUTPUT);
  pinMode(in2Pin, OUTPUT);
  pinMode(in3Pin, OUTPUT);
  pinMode(in4Pin, OUTPUT);
  pinMode(enablePin, OUTPUT);
  pinMode(enablePin1, OUTPUT);
  myReceiver.enableIRIn(); // Start the receiver
}

void loop() {
  if (myReceiver.getResults()) {
    if(myDecoder.decode()){
    if (myDecoder.protocolNum == NEC) {
      switch (myDecoder.value) {
        case 0xFF50AF:  //up
          digitalWrite(in3Pin, LOW);
          digitalWrite(in4Pin, HIGH);
          digitalWrite(enablePin1, HIGH);
          break;
        case 0xFF7887:  //down
          digitalWrite(in3Pin, HIGH);
          digitalWrite(in4Pin, LOW);
          digitalWrite(enablePin1, HIGH);
          break;
       case 0xFFA05F:  //forward 
        digitalWrite(in1Pin,LOW);
        digitalWrite(in2Pin, HIGH);
        digitalWrite(enablePin,HIGH);
          break;
       case 0xFF40BF:  //backward
        digitalWrite(in1Pin,HIGH);
        digitalWrite(in2Pin, LOW);
        digitalWrite(enablePin,HIGH);
          break; 
        case 0xFF02FD:  //backward
        digitalWrite(enablePin1, LOW);
        digitalWrite(enablePin,LOW);
          break; 
      }
     
    }
   }
  myReceiver.enableIRIn(); //Restart the receiver
 }
}