using System;

using System.IO;

using System.Text.RegularExpressions;

public class Program

{

    static string input = "Not-5.0 ANumber6.0 OrThis+936.25 but this is -52.32";

    static int pos = 0; 

    public static void Main()

    {

        var num = GetNextNumber();

        Console.WriteLine(num);

    }

    public static int GetNextNumber()

    {

        var sb = System.Text.StringBuilder();

        char c;

        do

        {

            c = input[pos];

            sb.Append(c);

        } while(!char.IsWhiteSpace(c));

        ++pos;

        Console.WriteLine(sb.ToString());

        return 0;

    }

}