diff --git "a/pr/\352\260\220\354\206\214\355\225\230\353\212\224 \354\210\230/Main.java" "b/pr/\352\260\220\354\206\214\355\225\230\353\212\224 \354\210\230/Main.java"
new file mode 100644
index 0000000..76df7e9
--- /dev/null
+++ "b/pr/\352\260\220\354\206\214\355\225\230\353\212\224 \354\210\230/Main.java"	
@@ -0,0 +1,39 @@
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static int n;
+    static List<Long> list = new ArrayList<>();
+
+    public static void main(String[] args) throws IOException {
+        Scanner sc = new Scanner(System.in);
+        n = sc.nextInt();
+        solve();
+
+    }
+    // 11 -> 20 , 12 -> 21 13 -> 30, 14 -> 31, 15 -> 32, 16 -> 40
+
+    public static void solve() {
+        for (long i = 0; i <= 9; i++) {
+            dfs(i);
+        }
+
+        if (n >= list.size()) {
+            System.out.println(-1);
+            return;
+        }
+        Collections.sort(list);
+
+        System.out.println(list.get(n));
+
+    }
+
+    public static void dfs(long num) {
+        list.add(num);
+        long last = num % 10;
+        for (long i = last - 1; i >= 0; i--) {
+            dfs(num * 10 + i);
+        }
+    }
+
+}