using System;
using System.IO;

partial class Program
{
    private static string GetTextFromFile(string inputPath)
    {
        string data = "";
        try {
            using (StreamReader sr = new StreamReader("input.txt")) {
                string line;
                while ((line = sr.ReadLine()) != null)
                    data += line;
            }
        }
        catch (Exception e) {
            Console.WriteLine(e.Message);
        }

        return data;

    }

    private static int GetSumFromText(string text)
    {
        int res = 0;
        text = text.ToLower();
        string number = "";
        bool flag = false;
        for (int i = 0; i < text.Length; i++) {
            if (text[i] == '-' || (text[i] >= '0' && text[i] <= '9') || (text[i] >= 'a' && text[i] <= 'z')) {
                number += text[i++];
                while (i < text.Length && ((text[i] >= '0' && text[i] <= '9') || (text[i] >= 'a' && text[i] <= 'z')))
                    number += text[i++];
                if (int.TryParse(number, out int curr))
                    res += curr;
                number = "";
            }
        }

        if (int.TryParse(number, out int curr1))
            res += curr1;

        return res;
    }
}