using System;

public class Program

{

    public static void Main()

    {

        int i, j, k;

        i = 1;

        j = 2;

        k = i > j ? i : j ;  //k is now 2 如果?前面條件成立就回傳i的值 否則回傳j

        k = ( i >= 0 ? i : 0 ) + j ;  //k is now 3

        // if(i>j)

        //

        Console.WriteLine("Hello World");

    }

}