using System;

namespace zuoye1
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = 1998 + 4;
            int fm = 86;
            int xd = 25;
            int gg = xd * 4 - fm;
            int mq = gg * 3;
            for (int fq = fm - mq; true; n++)
            {
                if (fq == 3 * gg)
                {
                    Console.WriteLine("父的年龄是兄的3倍时是公元：{0}年", n);
                    break;
                }
                else
                {
                    fq++;
                    gg++;
                }
            }
            Console.ReadKey();
        }
    }
}