Can anyone help due the 13th

package
{
   import flash.display.MovieClip;
   import flash.display.SimpleButton;
   import flash.events.MouseEvent;
   import flash.text.TextField 
   import fl.controls.TextInput;
   
   public class U2A2_SommeElements_Cadre extends MovieClip
   {
       
      
      public var btnSupprimer:SimpleButton;
      
      public var btnAjouter:SimpleButton;
      
      public var txtEntier:TextInput;
      
      public var btnSommePairs:SimpleButton;
      
      public var txtMessage:TextField;
      
      public var btnSommeTotale:SimpleButton;
      
      public var btnAfficher:SimpleButton;
      
      public var btnSommeImpairs:SimpleButton;
      
      var affichage:String = "";//
      
      var sommeMessage:String = "";
      
      var somme:int;
      
      var mesEntiers:Array;
      
      public function U2A2_SommeElements_Cadre()
      {
         mesEntiers = new Array();
         super();
         btnAjouter.addEventListener(MouseEvent.CLICK,ajouter);
         btnSupprimer.addEventListener(MouseEvent.CLICK,supprimer);
         btnAfficher.addEventListener(MouseEvent.CLICK,afficher);
         btnSommeTotale.addEventListener(MouseEvent.CLICK,sommeTotale);
         btnSommePairs.addEventListener(MouseEvent.CLICK,sommePairs);
         btnSommeImpairs.addEventListener(MouseEvent.CLICK,sommeImpairs);
         mesEntiers[0] = 10;
         mesEntiers[1] = 15;
         mesEntiers[2] = 20;
         mesEntiers[3] = 25;
         mesEntiers[4] = 30;
         mesEntiers[5] = 35;
         mesEntiers[6] = 40;
         mesEntiers[7] = 45;
         mesEntiers[8] = 50;
         mesEntiers[9] = 55;
         mesEntiers[10] = 60;
      }
      
      function ajouter(param1:MouseEvent) : void
      {
         var _loc2_:String = null;
         var _loc3_:int = 0;
         _loc2_ = txtEntier.text;
         _loc3_ = int(_loc2_);
         mesEntiers.push(_loc3_);
      }
      
      function supprimer(param1:MouseEvent) : void
      {
         var _loc2_:String = null;
         var _loc3_:int = 0;
         _loc2_ = txtEntier.text;
         _loc3_ = int(_loc2_);
         mesEntiers.splice(mesEntiers.indexOf(_loc3_),1);
      }
      
      function afficher(param1:MouseEvent) : void
      {
         affichage = "";
         var _loc2_:* = 0;
         while(_loc2_ < mesEntiers.length)
         {
            affichage = affichage + ("Entier [" + _loc2_ + "] : " + mesEntiers[_loc2_] + "\n");
            _loc2_++;
         }
         txtMessage.text = affichage;
      }
      
      function sommeTotale(param1:MouseEvent) : void
      {
         var _loc2_:int = 0;
         affichage = "";
         var _loc3_:* = 0;
         while(_loc3_ < mesEntiers.length)
         {
            _loc2_ = _loc2_ + mesEntiers[_loc3_];
            affichage = affichage + ("Entier #" + _loc3_ + " : " + mesEntiers[_loc3_] + "\n");
            _loc3_++;
         }
         somme = _loc2_;
         sommeMessage = "\nLa somme de TOUS les entiers est: ";
         txtMessage.text = affichage + sommeMessage + somme;
      }
      
      function sommeImpairs(param1:MouseEvent) : void
      {
         var _loc2_:int = 0;
         var _loc3_:Number = 0;
         affichage = "";
         var _loc4_:uint = 0;
         while(_loc4_ < mesEntiers.length)
         {
            if(mesEntiers[_loc4_] % 2 != 0)
            {
               _loc3_ = _loc3_ + mesEntiers[_loc4_];
               _loc2_ = _loc2_ + mesEntiers[_loc4_];
               affichage = affichage + ("Entier #" + _loc4_ + " : " + mesEntiers[_loc4_] + "\n");
            }
            somme = _loc2_;
            sommeMessage = "\nLa somme des entiers IMPAIRS est: ";
            txtMessage.text = affichage + sommeMessage + somme;
            _loc4_++;
         }
      }
      
      function sommePairs(param1:MouseEvent) : void
      {
         var _loc2_:int = 0;
         var _loc3_:Number = 0;
         affichage = "";
         var _loc4_:uint = 0;
         while(_loc4_ < mesEntiers.length)
         {
            if(mesEntiers[_loc4_] % 2 == 0)
            {
               _loc3_ = _loc3_ + mesEntiers[_loc4_];
               _loc2_ = _loc2_ + mesEntiers[_loc4_];
               affichage = affichage + ("Entier #" + _loc4_ + " : " + mesEntiers[_loc4_] + "\n");
            }
            somme = _loc2_;
            sommeMessage = "\nLa somme des entiers PAIRS est: ";
            txtMessage.text = affichage + sommeMessage + somme;
            _loc4_++;
         }
      }
   }
}