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

namespace Soucet_cisel
{
    class Soucet
    {
        static void Main(string[] args)
        {
            using (System.IO.StreamReader sr = System.IO.File.OpenText("in.txt")
            {
                char[] delimiterChars = { ' ', ',', '.', ':', '\t' };

                int nSum = 0;
                string s = "";
                while ((s = sr.ReadLine()) != null)
                {
                    string[] strNums = s.Split(delimiterChars);
                    foreach (string str in strNums)
                    {
                        if (str.Length == 0)
                            continue;

                        nSum += Convert.ToInt32(str);
                    }
                }

                System.IO.File.WriteAllText("out.txt", nSum.ToString());
            }
            
        }
    }
}