X-mas 2023 C#

Author: Sergey Pavlov
Category: Christmas Challenge
System:   Windows or Linux
Language: C#
Len source code: 86
Instructions:
    Download and install .NET 8 SDK: https://dotnet.microsoft.com/en-us/download/dotnet/8.0
    In    the    directory     with
    xmas-2023.csproj file run from command line:
      dotnet run
Description:
    Prints '*' at places satisfying the equation
    (x+y)%6==3 || (x-y)%6==3
Comments: