using System;

public class Program

{

    public static void Main()

    {

    int A=8;

        int sum,sub,mob;

        sum=A*3;

            sub=A-5;

        mob=A+8;

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

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

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

​

    }

}