diff --git a/.run/Demo4.run.xml b/.run/Demo4.run.xml
new file mode 100644
index 0000000..d325c13
--- /dev/null
+++ b/.run/Demo4.run.xml
@@ -0,0 +1,17 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Demo4" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+    <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
+    <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.compiler.cli.SnowCompiler" />
+    <module name="Snow" />
+    <option name="PROGRAM_PARAMETERS" value="-d playground/Demo4" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/playground/Demo4/Main.snow b/playground/Demo4/Main.snow
new file mode 100644
index 0000000..4a13b7d
--- /dev/null
+++ b/playground/Demo4/Main.snow
@@ -0,0 +1,17 @@
+module: Main
+    function: main
+        parameter:
+        return_type: int
+        body:
+           declare n1: int =1
+           declare n2: int =2
+           declare n3: int =1
+           if n1 ==1 then
+              if n2 ==2 then
+              n3 =3
+              end if
+           end if
+        return n3
+        end body
+    end function
+end module
\ No newline at end of file