#include <iostream>
#include <fstream>

using namespace std;

int main(int argc, char *argv[])
{
    if (argc != 2)
    {
        cout << "Please enter file to analysis as a command line argument" << endl;
        cin.get();
        return 0;
    }
    ifstream data(argv[1]);
    if (!data.is_open())
    {
        cout << "File not found!" << endl;
        cin.get();
        return 0;
    }
    ofstream out("out.txt");
    if (!out.is_open())
    {
        cout << "Could not create/edit output file" << endl;
        cin.get();
        return 0;
    }
    int flag = 0;
    char temp;
    while (!data.eof())
    {
        data >> temp;
        switch (flag)
        {
        case 0:
            if ((temp == '(') || (temp == ')') || (temp == '{') || (temp == '}') || (temp == '[') || (temp == ']'))
                out << temp;
            else
                if (temp == '-')
                    flag = 1;
                else
                    if (temp >= '0' && temp <='9')
                    {
                        out << temp;
                        flag = 2;
                    }
            break;
        case 1:
            if (temp >= '0' && temp <= '9')
            {
                flag = 2;
                out << '-' << temp;
            }
            else
            {
                flag = 0;
                if ((temp == '(') || (temp == ')') || (temp == '{') || (temp == '}') || (temp == '[') || (temp == ']'))
                    out << temp;
            }
            break;
        case 2:
            if (temp >= '0' && temp <= '9')
                out << temp;
            else
            {
                flag = 0;
                if ((temp == '(') || (temp == ')') || (temp == '{') || (temp == '}') || (temp == '[') || (temp == ']'))
                    out << temp;
            }
            break;
        }
    }
    cout << "Jobe done" << endl;
    cin.get();
    return 0;
}