using System;

​

public class Program

{

    public static void Main()

    {

        string fourth = "Fourth";

        string bulgaria = "Bulgaria";

        for(int i = 0; i <= 100; i++){

                    var result = $"nothing";

​

            if (i%3 == 0){

                result = $"{fourth}";

                if(i%5 == 0) {

                    result = $"{result} {bulgaria}";

                }

                Console.WriteLine(result);

            }

            else{

                if(i%5 ==0){

                        Console.WriteLine(result);

                }

            }

        }

    }

}