#include <iostream>
#include <algorithm>
#include <iterator>
#include <fstream>

int main()
{    
    std::ifstream ifs {"cipher.txt", std::ios::binary};
    
    std::vector<int> cipher {};
    
    std::copy(std::istreambuf_iterator<char>(ifs),
              std::istreambuf_iterator<char>(),
              std::back_inserter(cipher));

    std::vector<int> upper {};
    std::vector<int> lower {};
    
    std::partition_copy(cipher.begin(), cipher.end(),
                        std::back_inserter(upper),
                        std::back_inserter(lower),
                        [](int i)
                        {
                            return i < 96; 
                        });
    
    
    std::copy(upper.begin(), upper.end(),
              std::ostream_iterator<char>(std::cout, ""));

    
    std::transform(lower.begin(), lower.end(),
                   std::ostream_iterator<char>(std::cout, ""),
                   [](char c)
                   {
                       if (c == '|')
                       {
                           return ' ';
                       }
                       else
                       {
                           return c;
                       }
                   }
        );
    std::cout << std::endl;
}