diff --git a/kelner/.idea/inspectionProfiles/profiles_settings.xml b/kelner/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/kelner/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/kelner/.idea/kelner.iml b/kelner/.idea/kelner.iml
new file mode 100644
index 0000000..9c88284
--- /dev/null
+++ b/kelner/.idea/kelner.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TestRunnerService">
+    <option name="PROJECT_TEST_RUNNER" value="Unittests" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/kelner/.idea/misc.xml b/kelner/.idea/misc.xml
new file mode 100644
index 0000000..53407e2
--- /dev/null
+++ b/kelner/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7 (kelner)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/kelner/.idea/modules.xml b/kelner/.idea/modules.xml
new file mode 100644
index 0000000..620b5e5
--- /dev/null
+++ b/kelner/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/kelner.iml" filepath="$PROJECT_DIR$/.idea/kelner.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/kelner/.idea/workspace.xml b/kelner/.idea/workspace.xml
index 1b05ddd..98cd211 100644
--- a/kelner/.idea/workspace.xml
+++ b/kelner/.idea/workspace.xml
@@ -2,8 +2,8 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="4be2149b-d9bc-4e21-8365-293320ae7f92" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/components/Waiter.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/components/Waiter.py" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -88,7 +88,9 @@
       <updated>1584822897275</updated>
       <workItem from="1584822899496" duration="10270000" />
       <workItem from="1584835781926" duration="189000" />
-      <workItem from="1584889217128" duration="20738000" />
+      <workItem from="1584889217128" duration="21436000" />
+      <workItem from="1584912093524" duration="666000" />
+      <workItem from="1584986159947" duration="1123000" />
     </task>
     <task id="LOCAL-00001" summary="klasa kelner">
       <created>1584889744892</created>
@@ -104,7 +106,14 @@
       <option name="project" value="LOCAL" />
       <updated>1584910332507</updated>
     </task>
-    <option name="localTasksCounter" value="3" />
+    <task id="LOCAL-00003" summary="klasa kelner">
+      <created>1584910685304</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1584910685304</updated>
+    </task>
+    <option name="localTasksCounter" value="4" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -115,7 +124,9 @@
       <map>
         <entry key="MAIN">
           <value>
-            <State />
+            <State>
+              <option name="COLUMN_ORDER" />
+            </State>
           </value>
         </entry>
       </map>
@@ -126,6 +137,6 @@
     <option name="LAST_COMMIT_MESSAGE" value="klasa kelner" />
   </component>
   <component name="com.intellij.coverage.CoverageDataManagerImpl">
-    <SUITE FILE_PATH="coverage/kelner$main.coverage" NAME="main Coverage Results" MODIFIED="1584910144126" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$" />
+    <SUITE FILE_PATH="coverage/kelner$main.coverage" NAME="main Coverage Results" MODIFIED="1584986397013" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$" />
   </component>
 </project>
\ No newline at end of file
diff --git a/kelner/src/components/Waiter.py b/kelner/src/components/Waiter.py
index 061263b..b33a306 100644
--- a/kelner/src/components/Waiter.py
+++ b/kelner/src/components/Waiter.py
@@ -33,6 +33,18 @@ class Waiter:
     def getY(self):
         return self.__y
 
+    def getXmin(self):
+        return self.__minX
+
+    def getXmax(self):
+        return self.__maxX
+
+    def getYmin(self):
+        return self.__minY
+
+    def getYmax(self):
+        return self.__maxY
+
     def moveUp(self):
         if self.__y > self.__minY:
             self.__y -= 1