using System;

public class Program

{

    public static void Main()

    { string name ="Ketetse";

      string corsename = "DP_ITC";

      float amount = 1123.9f;

        Console.WriteLine("Hello World");

        Console.WriteLine(name +"studying" + corsename +  "costs "  +  amount);

        Console.WriteLine("{0} studying {1} costs {2:c}",name,corsename,amount);

        Console.WriteLine($"" {name} "studying"{corsename} "costs" {amount});

    }

}