Task01_Homework4

using System;

namespace Task01
{
    class Program
    {
        static void Main(string[] args)
        {
            String EGN = Console.ReadLine();
            int year = int.Parse(EGN.Substring(0, 2));
            int month = int.Parse(EGN.Substring(2, 2));

            if (month > 20 && month <= 32)
            {
                year += 1800;
            }
            else if (month > 40 && month <= 52)
            {
                year += 2000;
            }
            else
            {
                year += 1900;
            }

            int age = 2019 - year;
            if (age >= 18)
            {
                Console.WriteLine("adult");
            }
            else
            {
                Console.WriteLine("juvenile");
            }
        }
    }
}