diff --git a/lr9/task_2/main.java b/lr9/task_2/main.java
new file mode 100644
index 0000000..5041f7d
--- /dev/null
+++ b/lr9/task_2/main.java
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+class Main {
+    static void decimalToBinary(int n) {
+        if (n > 1) decimalToBinary(n / 2);
+        System.out.print(n % 2);
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        int n = sc.nextInt();
+
+        decimalToBinary(n);
+    }
+}
\ No newline at end of file