using System;
namespace P10_3
{
    class Program
    {
        static void Main(string[] args)
        {
                try
                {
                    Console.Write("\nһ");
                    string s = Console.ReadLine();
                    int x = int.Parse(s);
                    int y = 100 / x;
                    Console.WriteLine("y = {0}", y);
                    break;
                }
                catch (DivideByZeroException e)
                {
                    Console.WriteLine(e.Message);
                }
                catch (FormatException e)
                {
                    Console.WriteLine(e.Message);
                }
                catch (Exception e)
                {
                    Console.WriteLine(e.Message);
                }
                Console.ReadLine();
        }
    }
}
