using System;

​

public class Student{

    private string stuName;

    private int stuMarks;

    private string stuGrade;

    public void grade(){

        if(stuMarks < 40){

            stuGrade = "Failed";

        }

        else if(stuMarks <80){

            stuGrade = "Pass";

        }

        else{

            stuGrade ="Excellent";

        }

    }

    public Student(string x, int y){

        stuName = x;

        stuMarks = y;

    }

    public string StuName{

        get{

            return stuName;

        }

        set{

            stuName = value;

        }

    }

    public int StuMarks{

        get{

            return stuMarks;

        }

        set{

            stuMarks = value;

        }

    }

    public string StuGrade{

        get{

            return stuGrade;

        }

        set{

            stuGrade = value;

        }

    }

}

public class Program

{

    public static void Main()

    {

        Student student1 = new Student("John",80);

        student1.grade();

        Console.WriteLine("Student Name: " + student1.StuName);

        Console.WriteLine("Student Marks: " + student1.StuMarks);

        Console.WriteLine("Student Grade: " + student1.StuGrade);

    }

}