diff --git a/CMakeLists.txt b/CMakeLists.txt
index f217096..f9adf53 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,4 +2,6 @@ cmake_minimum_required(VERSION 3.10)
 
 project(Geometry)
 
+include_directories(${PROJECT_SOURCE_DIR}/include)
+
 add_executable(Geometry main.cpp)
diff --git a/include/main.h b/include/main.h
new file mode 100644
index 0000000..c619cdb
--- /dev/null
+++ b/include/main.h
@@ -0,0 +1,14 @@
+//
+// Created by nb on 31.12.23.
+//
+
+#ifndef GEOMETRY_MAIN_H
+#define GEOMETRY_MAIN_H
+
+#include <iostream>
+
+using namespace std;
+
+int main();
+
+#endif //GEOMETRY_MAIN_H
diff --git a/main.cpp b/main.cpp
index e69de29..3d9e3e5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -0,0 +1,6 @@
+#include "main.h"
+
+int main(){
+    cout<<"Hello World";
+    return 0;
+}
\ No newline at end of file