Java 代码

/** 4 MDK
"I would be surprised if ten years from now we're not using electronic currency - now that
we know a way to do it... -- Satoshi Nakamoto 
*/

import java.util.Scanner;

public class Main
{
    public static void main (String[] args)
    {
        Scanner cin = new Scanner (System.in);
        double a = cin.nextDouble();
        double b = cin.nextDouble();
        System.out.println ("MEDIA = " + String.format("%.5f", (a * 3.5 + b * 7.5)/11));
    }
}