User contributions
- 21:36, 6 July 2024 (diff | hist) . . (+34) . . N File:KakaoTalk 20240707 091807417.jpg (School Combinatorics) (current)
- 05:28, 16 June 2024 (diff | hist) . . (+65) . . N File:KakaoTalk 20240616 181817633.jpg (Uploading for KJMO 2013 Solution. I made the image.) (current)