diff --git a/9-kyo-hwang/README.md b/9-kyo-hwang/README.md
index 4ef3bc9..c576a7c 100644
--- a/9-kyo-hwang/README.md
+++ b/9-kyo-hwang/README.md
@@ -57,4 +57,5 @@
 | 54차시 | 2024.7.04  | Data Structure             | [16934 게임 닉네임](https://www.acmicpc.net/problem/16934)   | [#197](https://github.com/AlgoLeadMe/AlgoLeadMe-3/pull/197) |
 | 55차시 | 2024.7.09  | Simulation                 | [17144 미세먼지 안녕!](https://www.acmicpc.net/problem/16934)   | [#202](https://github.com/AlgoLeadMe/AlgoLeadMe-3/pull/202) |
 | 56차시 | 2024.7.12  | Tree                       | [15681 트리와 쿼리](https://www.acmicpc.net/problem/15681)   | [#204](https://github.com/AlgoLeadMe/AlgoLeadMe-3/pull/204) |
-| 57차시 | 2024.7.15  | Dynamic Programming        | [17070 파이프 옮기기 1](https://www.acmicpc.net/problem/17070)   | [#206](https://github.com/AlgoLeadMe/AlgoLeadMe-3/pull/206) |
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+| 57차시 | 2024.7.15  | Dynamic Programming        | [17070 파이프 옮기기 1](https://www.acmicpc.net/problem/17070)   | [#206](https://github.com/AlgoLeadMe/AlgoLeadMe-3/pull/206) |
+| 58차시 | 2024.7.29  | Trie                       | [14725 개미굴](https://www.acmicpc.net/problem/14725)   | [#207](https://github.com/AlgoLeadMe/AlgoLeadMe-3/pull/207) |
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diff --git "a/9-kyo-hwang/Trie/14725 \352\260\234\353\257\270\352\265\264.cpp" "b/9-kyo-hwang/Trie/14725 \352\260\234\353\257\270\352\265\264.cpp"
new file mode 100644
index 0000000..9472230
--- /dev/null
+++ "b/9-kyo-hwang/Trie/14725 \352\260\234\353\257\270\352\265\264.cpp"	
@@ -0,0 +1,55 @@
+#include <iostream>
+#include <string>
+#include <map>
+
+using namespace std;
+
+struct FNode
+{
+    map<string, FNode*> Node;
+};
+
+FNode* Root;
+
+void Print(FNode* InNode = Root, const string& Prefix="")
+{
+    if(InNode == nullptr)
+    {
+        return;
+    }
+    
+    for(const auto& [Data, Next] : InNode->Node)
+    {
+        cout << Prefix << Data << "\n";
+        Print(Next, Prefix + "--");
+    }
+}
+
+int main()
+{
+    cin.tie(nullptr)->sync_with_stdio(false);
+    
+    Root = new FNode();
+    
+    int N; cin >> N;
+    for(int n = 0; n < N; ++n)
+    {
+        FNode* Ptr = Root;
+        
+        int K; cin >> K;
+        for(int k = 0; k < K; ++k)
+        {
+            string Info; cin >> Info;
+            if(Ptr->Node.count(Info) == 0)
+            {
+                Ptr->Node[Info] = new FNode();
+            }
+            
+            Ptr = Ptr->Node[Info];
+        }
+    }
+    
+    Print();
+    
+    return 0;
+}
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