class Student
    {
        private string info;
        private string form;
        private int groupNumber;
        private int[] marks = new int[4];

        public Student(string i, string f)
        {
            info = i;
            form = f;
        }

        public Student(int gN, int[] m)
        {
            groupNumber = gN;
            marks = m;
        }

        public Student()
        {
            info = "Carl Johnson";
            form = "Full-Time";
            groupNumber = 2;
            marks[0] = 5;
            marks[1] = 3;
            marks[2] = 4;
            marks[3] = 5;
        }

        public string Info
        {
            get
            {
                return info;
            }
            set
            {
                info = value;
            }
        }

        public string Form
        {
            get
            {
                return form;
            }
            set
            {
                form = value;
            }
        }

        public int GroupNuber
        {
            get
            {
                return groupNumber;
            }
            set
            {
                groupNumber = value;
            }
        }

        public int[] Marks
        {
            get
            {
                return marks;
            }
            set
            {
                marks = value;
            }
        }
    }