using System;

public class Program

{

    public static void Main()

    {

        string inputValue1 = "This";

        string inputValue2 = "Test";

        Console.WriteLine("using Format function");

        Console.WriteLine(String.Format("{0} is a {1} String",inputValue1, inputValue2));

        Console.WriteLine("\nusing + operator");

        Console.WriteLine(inputValue1 + " is a " + inputValue2 + " String");

        Console.WriteLine("\nusing Concat function");

        Console.WriteLine(String.Concat(inputValue1 + " is a " + inputValue2 + " String"));

    }

}