diff --git a/kangrae-jo/README.md b/kangrae-jo/README.md
index e70a2b0..c83b4c0 100644
--- a/kangrae-jo/README.md
+++ b/kangrae-jo/README.md
@@ -34,3 +34,4 @@
 | 30차시 | 2024.07.18 |  BFS  | [치즈](https://www.acmicpc.net/problem/2638)|[#117](https://github.com/AlgoLeadMe/AlgoLeadMe-12/pull/117)|
 | 31차시 | 2024.07.31 |  Prefix Sum  | [두 배열의 합](https://www.acmicpc.net/problem/2143)|[#122](https://github.com/AlgoLeadMe/AlgoLeadMe-12/pull/122)|
 | 32차시 | 2024.08.10 |  BFS  | [퍼즐 조각 채우기](https://school.programmers.co.kr/learn/courses/30/lessons/84021)|[#130](https://github.com/AlgoLeadMe/AlgoLeadMe-12/pull/130)|
+| 33차시 | 2024.08.18 |  UnionFind  | [카드 게임](https://www.acmicpc.net/problem/16566)|[#133](https://github.com/AlgoLeadMe/AlgoLeadMe-12/pull/133)|
diff --git a/kangrae-jo/Two Pointer/14-kangrae-jo.cpp b/kangrae-jo/TwoPointer/14-kangrae-jo.cpp
similarity index 100%
rename from kangrae-jo/Two Pointer/14-kangrae-jo.cpp
rename to kangrae-jo/TwoPointer/14-kangrae-jo.cpp
diff --git a/kangrae-jo/UnionFind/33-kangrae-jo.cpp b/kangrae-jo/UnionFind/33-kangrae-jo.cpp
new file mode 100644
index 0000000..1919228
--- /dev/null
+++ b/kangrae-jo/UnionFind/33-kangrae-jo.cpp
@@ -0,0 +1,42 @@
+#include <algorithm>
+#include <iostream>
+#include <numeric>
+#include <vector>
+
+using namespace std;
+
+struct DSU {
+    vector<int> p;
+    DSU(int n, int s) : p(n) { iota(p.begin(), p.end(), s); }
+    int find(int x) { return p[x] == x ? x : p[x] = find(p[x]); }
+    void use(int x) { p[x] = find(x + 1); }
+};
+
+int main() {
+    ios_base::sync_with_stdio(0);
+    cout.tie(0);
+    cin.tie(0);
+
+    int N, M, K;
+    cin >> N >> M >> K;
+
+    vector<int> blues(M);
+    for (int i = 0; i < M; i++) {
+        cin >> blues[i];
+    }
+    sort(blues.begin(), blues.end());
+
+    DSU dsu(M + 1, 0);
+    while (K--) {
+        int red;
+        cin >> red;
+
+        int index = upper_bound(blues.begin(), blues.end(), red) - blues.begin();
+        index = dsu.find(index);
+        cout << blues[index] << '\n';
+
+        dsu.use(index);
+    }
+
+    return 0;
+}
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