using System;

​

interface Icustomer {

    void print();

}

​

​

interface vodiiii{

    void number ();

}

​

 public class cutomer:Icustomer, vodiiii{

    public void print(){

        Console.WriteLine("test");

    }

     int A = 5, B = 9, C = 6;

     public void number(){

     if (A > B && A > C){

         Console.WriteLine("answer = {0}" , A);

     }

    else if (B > A && B > C){

        Console.WriteLine("answer = {0}", B);

    }

    else if (C > A && C > B){

        Console.WriteLine("answer = {0}" , C);

    }

}

 }

​

public class Program

{

    public static void Main()

    {

    cutomer c1 = new cutomer ();

        c1.print();

        c1.number();

    }

}