Ввод данных с клавиатуры

#include <QCoreApplication>
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <algorithm>
#include <assert.h>
#include <memory>
#include <list>
 
#define FILE_PATH "C:\\client.dll"
#define STR_TO_FIND "1134"
#define STR_TO_REPLACE "1590"
 
bool replace(std::string& str, const std::string& from, const std::string& to) {
    size_t start_pos = str.find(from);
    if(start_pos == std::string::npos)
        return false;
    str.replace(start_pos, from.length(), to);
    return true;
}
 
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    std::fstream fs(FILE_PATH, std::ios::in | std::ios::binary| std::fstream::out);
    assert(fs.is_open());
 
    std::vector<std::string> lines;
    std::string buffer;
    while(getline(fs, buffer))
    {
        replace(buffer, STR_TO_FIND, STR_TO_REPLACE);
        lines.push_back(buffer);
    }
    fs.close();
 
    fs.open(FILE_PATH, std::ios::trunc | std::ios::binary| std::fstream::out);
    assert(fs.is_open());
 
    for(size_t i = 0; i < lines.size(); ++i)
    {
        fs << lines[i] << std::endl;
    }
 
    fs.close();
    return a.exec();
}