diff --git a/www/protected/controllers/EulerproblemController.php b/www/protected/controllers/EulerproblemController.php
deleted file mode 100644
index 6ab6406..0000000
--- a/www/protected/controllers/EulerproblemController.php
+++ /dev/null
@@ -1,169 +0,0 @@
-<?php
-
-class EulerproblemController extends MSController
-{
-	public $layout='//layouts/column2';
-
-	public $menu=array();
-
-	/**
-	 * @return array action filters
-	 */
-	public function filters()
-	{
-		return array(
-			'accessControl', // perform access control for CRUD operations
-		);
-	}
-
-	/**
-	 * Specifies the access control rules.
-	 * This method is used by the 'accessControl' filter.
-	 * @return array access control rules
-	 */
-	public function accessRules()
-	{
-		return array(
-			array('allow',
-				'actions'=>array('index','view','create','update','admin','delete'),
-				'users'=>array('@'),
-			),
-			array('deny',
-				'users'=>array('*'),
-			),
-		);
-	}
-
-	/**
-	 * Displays a particular model.
-	 * @param integer $id the ID of the model to be displayed
-	 */
-	public function actionView($id)
-	{
-		$this->render('view',array(
-			'model'=>$this->loadModel($id),
-		));
-	}
-
-	/**
-	 * Creates a new model.
-	 * If creation is successful, the browser will be redirected to the 'view' page.
-	 */
-	public function actionCreate()
-	{
-		$model=new EulerProblem;
-
-		// Uncomment the following line if AJAX validation is needed
-		// $this->performAjaxValidation($model);
-
-		if (isset($_POST['EulerProblem'])) {
-			$model->attributes=$_POST['EulerProblem'];
-			if ($model->save()) {
-				$this->redirect(array('view','id'=>$model->Problemnumber));
-			}
-		}
-
-		$this->render('create',array(
-			'model'=>$model,
-		));
-	}
-
-	/**
-	 * Updates a particular model.
-	 * If update is successful, the browser will be redirected to the 'view' page.
-	 * @param integer $id the ID of the model to be updated
-	 */
-	public function actionUpdate($id)
-	{
-		$model=$this->loadModel($id);
-
-		// Uncomment the following line if AJAX validation is needed
-		// $this->performAjaxValidation($model);
-
-		if (isset($_POST['EulerProblem'])) {
-			$model->attributes=$_POST['EulerProblem'];
-			if ($model->save()) {
-				$this->redirect(array('view','id'=>$model->Problemnumber));
-			}
-		}
-
-		$this->render('update',array(
-			'model'=>$model,
-		));
-	}
-
-	/**
-	 * Deletes a particular model.
-	 * If deletion is successful, the browser will be redirected to the 'admin' page.
-	 * @param integer $id the ID of the model to be deleted
-	 */
-	public function actionDelete($id)
-	{
-		if (Yii::app()->request->isPostRequest) {
-			// we only allow deletion via POST request
-			$this->loadModel($id)->delete();
-
-			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
-			if (!isset($_GET['ajax'])) {
-				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
-			}
-		} else {
-			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
-		}
-	}
-
-	/**
-	 * Lists all models.
-	 */
-	public function actionIndex()
-	{
-		$dataProvider=new CActiveDataProvider('EulerProblem');
-		$this->render('index',array(
-			'dataProvider'=>$dataProvider,
-		));
-	}
-
-	/**
-	 * Manages all models.
-	 */
-	public function actionAdmin()
-	{
-		$model=new EulerProblem('search');
-		$model->unsetAttributes();  // clear any default values
-		if (isset($_GET['EulerProblem'])) {
-			$model->attributes=$_GET['EulerProblem'];
-		}
-
-		$this->render('admin',array(
-			'model'=>$model,
-		));
-	}
-
-	/**
-	 * Returns the data model based on the primary key given in the GET variable.
-	 * If the data model is not found, an HTTP exception will be raised.
-	 * @param integer $id the ID of the model to be loaded
-	 * @return EulerProblem the loaded model
-	 * @throws CHttpException
-	 */
-	public function loadModel($id)
-	{
-		$model=EulerProblem::model()->findByPk($id);
-		if ($model===null) {
-			throw new CHttpException(404,'The requested page does not exist.');
-		}
-		return $model;
-	}
-
-	/**
-	 * Performs the AJAX validation.
-	 * @param EulerProblem $model the model to be validated
-	 */
-	protected function performAjaxValidation($model)
-	{
-		if (isset($_POST['ajax']) && $_POST['ajax']==='euler-problem-form') {
-			echo CActiveForm::validate($model);
-			Yii::app()->end();
-		}
-	}
-}
\ No newline at end of file
diff --git a/www/protected/controllers/EulerProblemController.php b/www/protected/controllers/EulerproblemController_.php
similarity index 100%
rename from www/protected/controllers/EulerProblemController.php
rename to www/protected/controllers/EulerproblemController_.php