diff --git a/src/graph/2SAT.md b/src/graph/2SAT.md
index 81c56c37d..0dcf8e07a 100644
--- a/src/graph/2SAT.md
+++ b/src/graph/2SAT.md
@@ -190,3 +190,5 @@ struct TwoSatSolver {
  * [Codeforces : Radio Stations](https://codeforces.com/problemset/problem/1215/F)
  * [CSES : Giant Pizza](https://cses.fi/problemset/task/1684)
  * [Codeforces: +-1](https://codeforces.com/contest/1971/problem/H)
+ * [Gym: (C) Colorful Village](https://codeforces.com/gym/104772/problem/C)
+ * [POI: Renovation](https://szkopul.edu.pl/problemset/problem/xNjwUvwdHQoQTFBrmyG8vD1O/site/?key=statement)