using System;
class MainClass
{
public static void Main()
{
string myString4 = String.Concat("A, ", "B");
Console.WriteLine("String.Concat(\"A, \", \"B\") = "+ myString4);
string myString5 = String.Concat("A, ", "B, ", "and countrymen");
Console.WriteLine("String.Concat(\"A, \", \"B, \", " + "\"and countrymen\") = " + myString5);
}
}
String.Concat("A, ", "B") = A, B
String.Concat("A, ", "B, ", "and countrymen") = A, B, and countrymen