diff --git "a/25 BOJ \355\230\270\355\205\224.md" "b/ksinji/202601/25 BOJ \355\230\270\355\205\224.md"
similarity index 100%
rename from "25 BOJ \355\230\270\355\205\224.md"
rename to "ksinji/202601/25 BOJ \355\230\270\355\205\224.md"
diff --git "a/ksinji/202601/26 BOJ \355\225\251\353\266\204\355\225\264.md" "b/ksinji/202601/26 BOJ \355\225\251\353\266\204\355\225\264.md"
new file mode 100644
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--- /dev/null
+++ "b/ksinji/202601/26 BOJ \355\225\251\353\266\204\355\225\264.md"	
@@ -0,0 +1,35 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static int n, k;
+    static int[][] dp;
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+
+        n = Integer.parseInt(st.nextToken());
+        k = Integer.parseInt(st.nextToken());
+
+        dp = new int[k + 1][n + 1];
+
+        for (int i = 0; i <= n; i++) {
+            dp[1][i] = 1;
+        }
+
+        for (int i = 2; i <= k; i++) {
+            for (int j = 0; j <= n; j++) {
+                if (j == 0) {
+                    dp[i][j] = 1;
+                } else {
+                    dp[i][j] = (dp[i - 1][j] + dp[i][j - 1]) % 1000000000;
+                }
+            }
+        }
+
+        System.out.println(dp[k][n]);
+    }
+}
+```