using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication56
{
    class Program
    {
        static void Main(string[] args)
        {
            Student student = new Student(17);
            Console.WriteLine(student.GetAdultHood);
        }
    }

    class Student
    {
        private int _age;

        public Student(int age)
        {
            _age = age;
        }
        public int CheckAge
        {
            get { return _age; }
        }

        public string GetAdultHood
        {
            get
            {
                if (_age >= 18)
                    return "Совершеннолетний";
                else
                    return "Несовершеннолетний";
            }
        }
    }
}