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

namespace HMcutword
{
    class Program
    {

        static void Main(string[] args)
        {
            //string label = "int123<float112.33tong&";
            //string label = "22int=float<==12.22uuu&";
            string label = "in123float&";
            int i = -1;
            char[] charArray = label.ToCharArray(0, label.Length);
            char c;
            string w = " ";
            string x = " ";
            L1: c = getchar(ref i, charArray);
            while (c != '$')
            {
                if (c == 'i')                   // ----------------------------int
                {
                    w += c;
                    c = getchar(ref i, charArray);
                    if (c != 'n')
                    {
                       if (Isletter(c))              //letter
                        {
                            w += c;
                            c = getchar(ref i, charArray);
                            while (Isletter(c))
                            {
                                w += c;
                                c = getchar(ref i, charArray);
                            }
                            Console.WriteLine(w);
                            goto L1;
                        }
                        else if (Isdigit(c))
                        {
                            if (Isdigit(c))              //digit  int_const or float_const
                            {
                                w += c;
                                c = getchar(ref i, charArray);
                                while (Isdigit(c))
                                {
                                    w += c;
                                    c = getchar(ref i, charArray);
                                }
                                if (c != '.')
                                {
                                    Console.WriteLine(w);
                                    w = x;
                                    Unchar(ref i, charArray);
                                    goto L1;
                                }
                                else
                                {
                                    w += c;
                                    c = getchar(ref i, charArray);
                                    while (Isdigit(c))
                                    {
                                        w += c;
                                        c = getchar(ref i, charArray);
                                    }
                                    Console.WriteLine(w);
                                    w = x;
                                    Unchar(ref i, charArray);
                                    goto L1;
                                }
                            }
                            goto L1;
                        }
                    }
                    else
                    {
                        w += c;
                        c = getchar(ref i, charArray);
                        if (c != 't')
                        {
                            if (Isletter(c))              //letter
                            {
                                w += c;
                                c = getchar(ref i, charArray);
                                while (Isletter(c))
                                {
                                    w += c;
                                    c = getchar(ref i, charArray);
                                }
                                Console.WriteLine(w);
                                //Unchar(ref i, charArray);
                                goto L1;
                            }
                            else if (Isdigit(c))              //digit  int_const or float_const
                            {
                                w += c;
                                c = getchar(ref i, charArray);
                                while (Isdigit(c))
                                {
                                    w += c;
                                    c = getchar(ref i, charArray);
                                }
                                if (c != '.')
                                {
                                    Console.WriteLine(w);
                                    w = x;
                                    Unchar(ref i, charArray);
                                    goto L1;
                                }
                                else
                                {
                                    w += c;
                                    c = getchar(ref i, charArray);
                                    while (Isdigit(c))
                                    {
                                        w += c;
                                        c = getchar(ref i, charArray);
                                    }
                                    Console.WriteLine(w);
                                    w = x;
                                    Unchar(ref i, charArray);
                                    goto L1;
                                }
                            }
                            goto L1;
                        }

                        else
                        {
                            w += c;

                        }
                     }

                    Console.WriteLine(w);
                    w = x;
                    goto L1;

                }
                else if (c == 'f')              //-----------------------------float
                {
                    w += c;
                    c = getchar(ref i, charArray);
                    if (c != 'l')
                    {
                        goto L1;
                    }
                    else
                    {
                        w += c;
                        c = getchar(ref i, charArray);
                        if (c != 'o')
                        {
                            goto L1;
                        }
                        else
                        {
                            w += c;
                            c = getchar(ref i, charArray);
                            if (c != 'a')
                            {
                                goto L1;
                            }
                            else
                            {
                                w += c;
                                c = getchar(ref i, charArray);
                                if (c != 't')
                                {
                                    Unchar(ref i, charArray);
                                    goto L1;
                                }
                                else
                                {
                                    w += c;
                                    //Console.WriteLine(w);
                                }
                            }
                        }
                    }
                    Console.WriteLine(w);
                    w = x;
                    goto L1;
                }
                else if (c == '<')              //-------------------------------<
                {
                    w += c;
                    Console.WriteLine(w);
                    w = x;
                    goto L1;
                }
                else if (c == '=')              //-----------------------------= =
                {
                    w += c;
                    c = getchar(ref i, charArray);

                    if (c != '=')
                    {
                        Console.WriteLine(w);
                        w = x;
                        Unchar(ref i, charArray);
                        goto L1;
                    }
                    else
                    {
                        w += c;
                        Console.WriteLine(w);
                        w = x;
                        goto L1;
                    }
                }
                else if (Isdigit(c))              //digit  int_const or float_const
                {
                    w += c;
                    c = getchar(ref i, charArray);
                    while (Isdigit(c))
                    {
                        w += c;
                        c = getchar(ref i, charArray);
                    }
                    if (c != '.')
                    {
                        Console.WriteLine(w);
                        w = x;
                        Unchar(ref i, charArray);
                        goto L1;
                    }
                    else
                    {
                        w += c;
                        c = getchar(ref i, charArray);
                        while (Isdigit(c))
                        {
                            w += c;
                            c = getchar(ref i, charArray);
                        }
                        Console.WriteLine(w);
                        w = x;
                        Unchar(ref i, charArray);
                        goto L1;
                    }
                }
                else if (c == '"')               // "    " (String)
                {
                    w += c;
                    c = getchar(ref i, charArray);
                    while ((Isdigit(c)) || (Isletter(c)) || (c == '<'))
                    {
                        w += c;
                        c = getchar(ref i, charArray);
                    }
                    if (c == '"')
                    {
                        w += c;
                        goto L1;
                    }
                    Console.WriteLine(w);
                }
                else if (Isletter(c))              //letter
                {
                    w += c;
                    c = getchar(ref i, charArray);
                    while (Isletter(c))
                    {
                        w += c;
                        c = getchar(ref i, charArray);
                    }
                    Console.WriteLine(w);
                    Unchar(ref i, charArray);
                    goto L1;
                }
                else
                {
                    Console.WriteLine("Sentence end....");
                }
                Console.ReadLine();
            }
            //Console.WriteLine("");


        }
        public static char getchar(ref int i, char[] lebelArray)
        {
            i++;
            char c = lebelArray[i];
            return c;
        }
        public static char Unchar(ref int i, char[] labelArray)
        {

            char c = labelArray[i];
            i--;
            return c;
        }
        public static bool Isletter(char c)
        {
            if ((c >= 'a') && (c <= 'z') || (c >= 'A') && (c <= 'Z'))
            {
                return true;
            }
            return false;
        }
        public static bool Isdigit(char c)
        {
            if ((c >= '0') && (c <= '9'))
            {
                return true;
            }
            return false;
        }
    }
}