diff --git a/.gitignore b/.gitignore
index fe2db75..b7e6ff0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,47 @@
 /.idea/modules.xml
 /.idea/vcs.xml
 /cmake-build-debug/.cmake/api/v1/query/cache-v2
+/cmake-build-debug/.cmake/api/v1/reply/cache-v2-ba12c4561c91e4e20287.json
+/cmake-build-debug/.cmake/api/v1/reply/cmakeFiles-v1-9d9b2afe92e52e91fd35.json
+/cmake-build-debug/.cmake/api/v1/reply/index-2024-10-15T07-33-06-0958.json
+/cmake-build-debug/CMakeFiles/1test.dir/main.cpp.obj
+/cmake-build-debug/CMakeFiles/your_project.dir/main.cpp.obj
+/cmake-build-debug/.ninja_deps
+/cmake-build-debug/.ninja_log
+/cmake-build-debug/1test.exe
+/cmake-build-release/.cmake/api/v1/query/cache-v2
+/cmake-build-release/.cmake/api/v1/query/cmakeFiles-v1
+/cmake-build-release/.cmake/api/v1/query/codemodel-v2
+/cmake-build-release/.cmake/api/v1/query/toolchains-v1
+/cmake-build-release/.cmake/api/v1/reply/cache-v2-a749bcda7bd5e46c7ad8.json
+/cmake-build-release/.cmake/api/v1/reply/cmakeFiles-v1-e7be0dcd85223f4b1427.json
+/cmake-build-release/.cmake/api/v1/reply/codemodel-v2-586a13fc2d460c09ae79.json
+/cmake-build-release/.cmake/api/v1/reply/directory-.-Release-d0094a50bb2071803777.json
+/cmake-build-release/.cmake/api/v1/reply/index-2024-10-15T07-04-53-0408.json
+/cmake-build-release/.cmake/api/v1/reply/target-1test-Release-ea79894845727c1ca657.json
+/cmake-build-release/.cmake/api/v1/reply/toolchains-v1-a2523d1a0a47b8d9fb88.json
+/cmake-build-release/CMakeFiles/1test.dir/main.cpp.obj
+/cmake-build-release/CMakeFiles/3.28.1/CompilerIdC/a.exe
+/cmake-build-release/CMakeFiles/3.28.1/CompilerIdC/CMakeCCompilerId.c
+/cmake-build-release/CMakeFiles/3.28.1/CompilerIdCXX/a.exe
+/cmake-build-release/CMakeFiles/3.28.1/CompilerIdCXX/CMakeCXXCompilerId.cpp
+/cmake-build-release/CMakeFiles/3.28.1/CMakeCCompiler.cmake
+/cmake-build-release/CMakeFiles/3.28.1/CMakeCXXCompiler.cmake
+/cmake-build-release/CMakeFiles/3.28.1/CMakeDetermineCompilerABI_C.bin
+/cmake-build-release/CMakeFiles/3.28.1/CMakeDetermineCompilerABI_CXX.bin
+/cmake-build-release/CMakeFiles/3.28.1/CMakeRCCompiler.cmake
+/cmake-build-release/CMakeFiles/3.28.1/CMakeSystem.cmake
+/cmake-build-release/CMakeFiles/clion-environment.txt
+/cmake-build-release/CMakeFiles/clion-Release-log.txt
+/cmake-build-release/CMakeFiles/cmake.check_cache
+/cmake-build-release/CMakeFiles/CMakeConfigureLog.yaml
+/cmake-build-release/CMakeFiles/rules.ninja
+/cmake-build-release/CMakeFiles/TargetDirectories.txt
+/cmake-build-release/Testing/Temporary/LastTest.log
+/cmake-build-release/.ninja_deps
+/cmake-build-release/.ninja_log
+/cmake-build-release/1test.exe
+/cmake-build-release/build.ninja
+/cmake-build-release/cmake_install.cmake
+/cmake-build-release/CMakeCache.txt
+/cmake-build-release/libstdc++-6.dll
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5933da0..eb6a9ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,4 +3,4 @@ project(1test)
 
 set(CMAKE_CXX_STANDARD 17)
 
-add_executable(1test main.cpp)
+add_executable(1test main.cpp)
\ No newline at end of file
diff --git a/main.cpp b/main.cpp
index 523bc71..8fa36f3 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,10 +2,39 @@
 /*Директива include подключает содержимое модуля iostream,
  *дающего доступ к средствам ввода-вывода ЦМД.
  *iostream - модуль стандартной библиотеки.
- *Классы - cin (ввод) и cout (вывод).*/
+ *Объекты - cin (ввод) и cout (вывод).*/
+
+//using namespace std;
+//строка выше дает доступ к пространству namespace всему коду.
+
+using std::cout;
+using std::endl;
+using std::cin;
+//определяем конкретные имена, на которые будем ссылаться далее
+
 int main() {
-    std::cout << "Hello, World!" << std::endl;
+    //объявление именных и числовых переменных с присвоением значений
+    int a, b;
+    const char *NAMING = "ALL CALC. ENTER a AND b TO START";
+
+    const char *PLUS = "+";
+    const char *MINUS = "-";
+    const char *MULTIPLE = "*";
+    const char *DIV = "/";
+    const char *MOD = "%";
+
+    const char *EQUAL = "= ";
+
+    //алгоритм
+    cout << NAMING << endl;
+    cin >> a;
+    cin >> b;
+    cout << a << PLUS << b << EQUAL << a + b << endl;
+    cout << a << MINUS << b << EQUAL << a - b << endl;
+    cout << a << MULTIPLE << b << EQUAL << a * b << endl;
+    cout << a << DIV << b << EQUAL << a / b << endl;
+    cout << a << MOD << b << EQUAL << a % b << endl;
+
     return 0;
 }
-//testcommit
-//remotecommit
\ No newline at end of file
+//конец программы
\ No newline at end of file