diff --git a/.gitea/workflows/mvs_job.yaml b/.gitea/workflows/mvs_job.yaml
index 6e451c9..9f96f7e 100644
--- a/.gitea/workflows/mvs_job.yaml
+++ b/.gitea/workflows/mvs_job.yaml
@@ -15,30 +15,41 @@ jobs:
       - name: Find changed source files
         id: files
         run: |
+          echo "=== Debug: Starting file detection ==="
           # Try to list changed .c or .bas files from last commit
           CHANGED_FILES=$(git diff --name-only HEAD~1 -- '*.c' '*.bas' 2>/dev/null | head -1)
-          echo "Changed files from last commit: ${CHANGED_FILES}"
-          # Fail if no C/BAS files were found 
+          echo "Changed files from last commit: '${CHANGED_FILES}'"
+          
+          # Fallback to all .c/.bas files if no previous commit or no changes
           if [ -z "$CHANGED_FILES" ]; then
-            echo "No C/BAS files found; skipping."
-            exit 1
-          fi
-          # Fallback to all .c/.bas files if no previous commit
-          if [ -z "$CHANGED_FILES" ]; then
-            echo "No previous commit found; using all C/BAS files."
+            echo "No previous commit or changes found; using all C/BAS files."
             CHANGED_FILES=$(git ls-files '*.c' '*.bas' | head -1)
+            echo "Fallback files: '${CHANGED_FILES}'"
           fi
-          echo "Changed files:"
+          
+          if [ -z "$CHANGED_FILES" ]; then
+            echo "No C/BAS files found; skipping workflow."
+            exit 0  # Graceful skip, no failure
+          fi
+          
+          echo "Final selected file: '${CHANGED_FILES}'"
           echo "file=$CHANGED_FILES" >> $GITHUB_OUTPUT
-          echo "member=$(basename "$CHANGED_FILES" .c)" >> $GITHUB_OUTPUT  # Or .bas
+          
+          # Extract member name (handle .c or .bas)
+          EXT="${CHANGED_FILES##*.}"
+          BASE=$(basename "$CHANGED_FILES" ".$EXT")
+          echo "member=$BASE" >> $GITHUB_OUTPUT
+          echo "=== Debug: File detection complete ==="
 
       - name: Upload to PDS and Submit JCL
         if: steps.files.outputs.file != ''
         run: |
+          echo "=== Debug: Starting upload/submit ==="
           python3 mvs_job.py "${{ steps.files.outputs.file }}" "@05054.SRCLIB.C" "${{ steps.files.outputs.member }}" "COMPILE"
+          echo "=== Debug: Upload/submit complete ==="
         env:
           MVS_HOST: "oldcomputernerd.com"
 
       - name: Report Status
         run: |
-          echo "Upload/Compile complete! Check TK5 JES for JOB ${{ steps.files.outputs.member }} output."
\ No newline at end of file
+          echo "Upload/Compile complete! Check TK5 JES for JOB ${{ steps.files.outputs.member }} output."
diff --git a/src/SIEVE01.c b/src/SIEVE01.c
index a491adf..8a67ab0 100644
--- a/src/SIEVE01.c
+++ b/src/SIEVE01.c
@@ -4,6 +4,7 @@
 #define PRIMES 1000
 
 // Sieve of Eratosthenes
+// Time Complexity: O(n log log n)
 int main()
 {
    int i,j,numbers[LIMIT];