#include <iostream>
#include <fstream>

int main()
{
    std::ifstream file("numbers.txt", std::ios::in);
    if (!file)
    {
        std::cerr << "Can't open file\n";
        return 1;
    }
    char ch;
    while (!file.eof())
    {
        file.get(ch);
        if (!file.good() && !file.eof())
        {
            std::cout << "I/O error!\n";
            return 1;
        }
        std::cout << ch;
    }
    std::cout<<std::endl;
    return 0;

}