using System;

public class Program

{

    public static void Main()

    {

        string qName = "蔣大華";

        Console.WriteLine("{1} 的成績是 {0}", 查成績(qName,"222",true), qName );

    }

    public static int 查成績(string name, string password){

        return 0;

    }

    public static int 查成績(string name, string password, bool sex){

        switch(name){

            case "蔣天華" : return 100; break;

            case "蔣大華" : return 60; break;

                default : return -1;

        }

    } 

}