diff --git a/.DS_Store b/.DS_Store
index ecc8876..6b93dd0 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 2c962e4..831277e 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -5,5 +5,6 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - name: Printing hello
-        run: echo "Hello, world"
+      - uses: actions/checkout@v4
+      - name: build using gcc
+	run: gcc -Wall -Werror main.c	
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..80e1b9a
--- /dev/null
+++ b/main.c
@@ -0,0 +1,5 @@
+int main()
+{
+	printf("Halo, Welt!");
+	return 0;
+}