import java.io.*;

public class Task2 {
    public static void main(String[] args) throws IOException {
        System.out.print("Geben Sie eine Zahl ein: ");

        var inputStream = new InputStreamReader(System.in);
        var bufferedStream = new BufferedReader(inputStream);

        String variable = bufferedStream.readLine();
        int converted = Integer.parseInt(variable);

        System.out.println("Der doppelte Wert ist: " + (converted * 2));
    }
}