using System;

namespace MyApplication
{
  class Program
  {
    static void MyMethod(string child1, string child2, string child3)
    {
      Console.WriteLine("The youngest child is: " + child3);
    }

    static void Main(string[] args)
    {
      MyMethod(child3: "John", child1: "Liam", child2: "Liam");
    }
  }
}