using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        List<Student> students = new List<Student>()

        {

            new Student(){Id=1, Name= "John"},

            new Student(){Id=2, Name= "Mark"},

        };

        List<Semester> semesters = new List<Semester>()

        {

            new Semester(){Id=1, Year= 2022},

            new Semester(){Id=2, Year= 2023},

        };

        List<StudentSemester> studentSemesters = new List<StudentSemester>()

        {

            new StudentSemester(){ StudentId=1, SemesterId= 1},

            new StudentSemester(){ StudentId =2, SemesterId = 1},

        };

    }

}

​

public class Student{

    public int Id { get; set; }

  public string Name { get; set; }

}

​

public class Semester{

    public int Id { get; set; }

    public int Year { get; set; }

}

​

public class StudentSemester{

  public int StudnetId { get; set; }

  public int SemesterId { get; set;}

}

​

public class Result {

  public int StudentId { get; set; }

  public string StudentName { get; set; }

  public int SemesterId { get; set;}

  public int SemesterYear { get; set;}

}

​