using System;
using static System.Console;
using System.Collections.Generic;
using Xunit;

namespace AdventOfCode {

  public class Program {

    static string Hello() {
      return "ahoy, world";
    }

    [Fact]
    static void HelloTest() {
      Assert.Equal("ahoy, world", Hello());
    }

    static void Main(string[] args) {
      Console.WriteLine(Hello());
    }
  }
}