Mark Sumagka focused on repository hygiene and data integrity for the acmibalo/1-bscs-a2024 project during October 2024. He addressed maintenance by identifying and removing three erroneous content files, thereby reducing repository clutter and minimizing potential confusion for users. Using Git for version control and leveraging his skills in file management and shell scripting, Mark ensured that outdated or misplaced artifacts were eliminated from the codebase. While no new features were introduced, his work improved the overall reliability and usability of the repository. The depth of his contribution lay in prioritizing long-term maintainability and a cleaner development environment for collaborators.