static void Main(string[] args) { Console.WriteLine("Size"); int a = 0; int k = int.Parse(Console.ReadLine()); Student[] Students = new Student[k]; for (int i = 0; i < k; i++) { var student = new Student(); Console.WriteLine("Name"); student.Name = Console.ReadLine(); Console.WriteLine("Group"); student.Group = int.Parse(Console.ReadLine()); student.Ses = new int[5]; for (int j = 0; j < 5; j++) { Console.WriteLine("Mark {0}", j + 1); student.Ses[j] = int.Parse(Console.ReadLine()); } Students[i] = student; } foreach (var student in Students) { if (student.IsGoodStudent(student.Ses) == true) { student.WriteStudent(); } } Console.ReadKey(); }