diff --git "a/khj20006/202512/19 BOJ P5 \353\240\210\353\252\254\354\273\265 \354\266\234\354\240\234\355\225\230\352\270\260.md" "b/khj20006/202512/19 BOJ P5 \353\240\210\353\252\254\354\273\265 \354\266\234\354\240\234\355\225\230\352\270\260.md"
new file mode 100644
index 00000000..e533f19b
--- /dev/null
+++ "b/khj20006/202512/19 BOJ P5 \353\240\210\353\252\254\354\273\265 \354\266\234\354\240\234\355\225\230\352\270\260.md"	
@@ -0,0 +1,70 @@
+```java
+import java.sql.Array;
+import java.util.*;
+import java.io.*;
+
+public class Main {
+
+    static BufferedReader br;
+    static BufferedWriter bw;
+    static StringTokenizer st;
+
+    static int N, K;
+    static String[] arr;
+    static boolean[] exist;
+
+    public static void main(String[] args) throws Exception {
+
+        input();
+        solve();
+
+    }
+
+    public static void input() throws Exception {
+        br = new BufferedReader(new InputStreamReader(System.in));
+
+        st = new StringTokenizer(br.readLine());
+        N = Integer.parseInt(st.nextToken());
+        K = Integer.parseInt(st.nextToken());
+        arr = new String[N];
+        exist = new boolean[1<<K];
+        for(int i=0;i<N;i++) arr[i] = br.readLine();
+
+        br.close();
+    }
+
+    public static void solve() throws Exception {
+        bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+        int Z = 0;
+        for(int i=0;i<N;i++) {
+            if(Z == 1) {
+                String rev = "";
+                for(int j=K-1;j>=0;j--) rev += arr[i].charAt(j);
+                arr[i] = rev;
+            }
+            int a = Integer.parseInt(arr[i], 2);
+            if(exist[a]) {
+                bw.write("WellKnown\n");
+                Z = 0;
+            }
+            else {
+                bw.write("AdHoc\n");
+                Z = 1;
+            }
+            bck(a);
+        }
+
+        bw.close();
+    }
+
+    public static void bck(int a) {
+        if(exist[a]) return;
+        exist[a] = true;
+        for(int i=0;i<K;i++) if((a & (1<<i)) != 0) {
+            bck(a ^ (1<<i));
+        }
+    }
+
+}
+```