Java 代码

/**4 MDKJ
"It is better to fail in originality than to succeed in imitation."
    - Herman Melville
*/

import java.util.Scanner;

public class Main
{
    public static void main (String[] args)
    {
        Scanner cin = new Scanner(System.in);

        int d = cin.nextInt();

        System.out.println( d * 2 + " minutos");
    }
}