Simple defense & damage reduction system (C# Shell App Paste)

//Disclaimer: The creator of 'C# Shell (C# Offline Compiler)' is in no way responsible for the code posted by any user.
using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;

namespace CSharp_Shell
{

    public static class Program
    {
        public static void Main()
        {
            try {
            Console.Write("Halfway threshold:  ");
            int thres = ReadInt();

            while(true)
            {
                Console.WriteLine("\n\n---INPUT----");
                Console.Write("Defense:  ");
                int def   = ReadInt();

                Console.Write("Damage:   ");
                int inDmg   = ReadInt();

                Console.WriteLine("\n---OUTPUT---");
                float reduc = 1 - def / (float)(def + thres);
                string inPercent = (reduc * 100).ToString() + "%";
                Console.Write($"Reduct:   {inPercent}\n");

                int outDmg  = (int)(inDmg * reduc);
                Console.Write($"Damage:   {outDmg}\n");
           } } catch (Exception e) {
                Console.WriteLine("Hey idiot, " + e.Message.ToLower());
                System.Threading.Thread.Sleep(2500);
                Console.Clear();
           }
           Main();
        }

        private static int ReadInt() => int.Parse(Console.ReadLine());
    }
}