// blyadishev4444.cpp : Этот файл содержит функцию "main". Здесь начинается и заканчивается выполнение программы.
//вывести присвоение целочисленной хуеты
#include "pch.h"
#include <fstream>
#include <iostream>
#include <string>
#include <sstream>
#include <cctype>
using namespace std;

bool isVariable(string str)
{
    ifstream resFile;
    resFile.open("C:\\onlyformydoggers\\more than words.txt");

    string tempStr = "";
    bool checkConst = true, isVar = true;
    if (str[0] >= 48 && str[0] <= 57)
    {
        for (int i = 0; i < str.length() && checkConst; i++)
            if (!(isdigit(str[i]))) checkConst = false;
        if (checkConst) return true;
        else return false;
    }

    while (!resFile.eof() && isVar)
    {
        resFile >> tempStr;
        if (str == tempStr) isVar = false;
    }
    for (int i = 0; i < str.length() && isVar; i++)
        if (str[i] >= 58 && str[i] <= 64 || str[i] >= 0 && str[i] <= 47 || str[i] >= 91 && str[i] < 95 || str[i] == 96 || str[i] >= 123) isVar = false;

    resFile.close();
    return isVar;
}

bool isSymbols(string str)
{
    return str.find("=") != -1;
}
string getString(string &s)
{
    ifstream workFile;
    string result = "", str = "";
    getline(cin, s);
    workFile.open(s);
    while (!workFile.eof())
    {
        getline(workFile, str);
        result += str + " ";
        str = "";
    }
    workFile.close();
    return result+=";";
}

enum states { START, ADDEND,NEXT_ADDEND,CLEAR, OPERATION_MARK, SKIP};


int main()
 {
    //ifstream workFile;
    string str = "", resultString = "", word = "",path="";
    str = getString(path);
    //workFile.open(path);
    //cout << workFile.is_open();
    states state = START;
    while (!str.empty())
    {
        int k = 1;
        bool loop = true;
        //getline(workFile, str);
        while (loop)
        {
            switch (state)
            {
            case START:
            {
                if (!str.empty() && isSymbols(str) &&k>0)
                {
                    k = str.find("=");
                    if (k>0)
                    k--;
                    else state = SKIP;
                    while (isspace(str[k]) && k > 0) k--;
                    while (k >= 0 && isalnum(str[k]))
                    {
                        word += str[k];
                        k--;
                    }
                    if (word.empty()) state = SKIP;
                    else
                    {
                        reverse(word.begin(), word.end());
                        if (isVariable(word))
                        {
                            resultString += word + " = ";
                            word = "";
                            state = ADDEND;
                        }
                        else
                        {
                            str.erase(0, str.find("=") + 1);
                            state = START;
                            resultString = "";
                        }
                        break;
                    }
                }
                else state = SKIP;

                break;
            }
            case ADDEND:
            {
                k = str.find("=");
                k++;
                while (isspace(str[k]) && k < str.length()) k++;
                while (k < str.length() && isalnum(str[k]))
                {
                    word += str[k];
                    k++;
                }
                //reverse(word.begin(), word.end());
                if (isVariable(word)&&!word.empty())
                {
                    state = OPERATION_MARK;
                    resultString += word;
                    //word = "";

                }
                else
                {
                    word = "";
                    str.erase(0, k);
                    state = START;
                    resultString = "";

                }
            }
            break;
            case CLEAR:
            {
                word = "";
                resultString = "";
                state = START;
            }
            break;
            case OPERATION_MARK:
            {
                while (isspace(str[k]))
                    k++;

                if ((str[k] == '+' || str[k] == '-'))
                {
                    state = NEXT_ADDEND;
                    if (str[k] == '+')
                        resultString += " + ";
                    else resultString += " - ";
                }
                else
                {
                    str.erase(0, k);    //str.find(resultString.erase(resultString.find(" ")+1, resultString.length())));
                    state = CLEAR;

                }
            }
            break;
            case NEXT_ADDEND:
            {
                word = "";
                k++;
                while (isspace(str[k]) && k < str.length()) k++;
                while (isalnum(str[k]) && k < str.length())
                {
                    word += str[k];
                    k++;
                }
                if (isVariable(word))
                {
                    resultString += word;
                    cout << resultString << "\n";
                    state = CLEAR;
                    str.erase(0, k);

                }
                else state = SKIP;
            }
            break;
            case SKIP:
            {
                word = "";
                resultString = "";
                loop = false;
                if (k<str.length()&&isSymbols(str))
                str.erase(0, str.find("=")+1);// str.find(";") + 1);
                else str = "";
                state = START;
            }
            break;

            }
        }
    }
    //workFile.close();
    return 0;
}