using System;  

public class Program

    {

        public static void Main()

        {

            Student Vasyl = new Student("Гуц","Василь",17,79);

            Student Marichka = new Student("Гуц","Марічка",115,73);

            Student PIB = new Student();

​

            Student[] arr = new Student[] { Vasyl, Marichka,PIB };

            int name_space = 20;

            int ot_space = 15;

            int a_space = 4;

            Console.WriteLine("|П.І.Б учня          |Вік |Оцінка         |");

            foreach (var item in arr)

            {

                string Name = item.Firth_Name + " " + item.Last_Name;

                int count_space = name_space - Name.Length;

                for (int i = 0; i < count_space ;i++)

                    Name = Name + " ";

                string Age = item.Age.ToString();

                count_space = a_space - Age.Length;

                for (int i = 0; i < count_space;i++)

                    Age = Age + " ";

                string Otsinka = item.rate2string();

                count_space = ot_space - Otsinka.Length;

                for (int i = 0; i < count_space;i++)

                    Otsinka = Otsinka + " ";

                Console.WriteLine(string.Format("|{0}|{1}|{2}|",Name,Age,Otsinka));

            }

        }

    }

​

    public class Student

    {

        public Student()

        {

        ;

        }

        public Student(string FN,string LN,int A,int R)

        {

            this.Firth_Name = FN;

            this.Last_Name = LN;

            this.Age = A;

            this.Rate = R;

        }

        public string Firth_Name;

        public int Age;

        public string Last_Name;

        public int Rate;

        public string rate2string()

        {

            if (this.Rate < 74)

            {

                if (this.Rate < 55)

                    return "Не задовільно";

                else 

                    return "Задовільно";

            }

            else

            {

                if (this.Rate < 85)

                    return "Добре";

                else 

                    return "Відмінно";

            }

        }

   }