diff --git "a/khj20006/202502/25 BOJ G4 \354\202\254\354\240\204 \354\210\234 \354\265\234\353\214\200 \352\263\265\355\206\265 \353\266\200\353\266\204 \354\210\230\354\227\264.md" "b/khj20006/202502/25 BOJ G4 \354\202\254\354\240\204 \354\210\234 \354\265\234\353\214\200 \352\263\265\355\206\265 \353\266\200\353\266\204 \354\210\230\354\227\264.md"
new file mode 100644
index 00000000..0b0a8307
--- /dev/null
+++ "b/khj20006/202502/25 BOJ G4 \354\202\254\354\240\204 \354\210\234 \354\265\234\353\214\200 \352\263\265\355\206\265 \353\266\200\353\266\204 \354\210\230\354\227\264.md"	
@@ -0,0 +1,42 @@
+```cpp
+
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+	cin.tie(0)->sync_with_stdio(0);
+
+	int N, M;
+	cin >> N;
+	vector<int> A(N);
+	for (int &i : A) cin >> i;
+	cin >> M;
+	vector<int> B(M);
+	for (int &i : B) cin >> i;
+
+	vector<int> R;
+	int idxA = 0, idxB = 0;
+	while (idxA < N && idxB < M) {
+		bool suc = 0;
+		for (int x = 100; x >= 1; x--) {
+			int res = 0;
+			int new_idxA = idxA, new_idxB = idxB;
+			for (int i = idxA; i < N; i++) if (A[i] == x) { res++; new_idxA = i + 1; break; }
+			for (int i = idxB; i < M; i++) if (B[i] == x) { res++; new_idxB = i + 1; break; }
+			if (res == 2) {
+				idxA = new_idxA, idxB = new_idxB;
+				R.push_back(x);
+				suc = 1;
+				break;
+			}
+		}
+		if (!suc) break;
+	}
+	cout << R.size() << '\n';
+	for (int i : R) cout << i << ' ';
+
+}
+
+```