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#include<iostream>
#include<fstream>
#include<vector>
#include<string>

void print_file(int metro, std::vector<string>& names_file)
{
    
    std::string dog;
    std::ifstream file(names_file[metro - 1]);
    if(file.is_open())
    {
        while(std::getline(file, dog))
        {
            std::cout<<dog<<std::endl;
        }
    }
    file.close();
}


int main()
{
    setlocale(0, "Russian");
    std::vector<std::string> names_file {"Teromo.txt", "Atom.txt", "Kinematika.txt", "STO.txt"}; 
    while(TRUE)
    {
        int metro;
        cin >> metro;
        
        while (metro > 4 or  metro < 1)
        {
            std::cout<<"Введено неверное значение. Введите адекватное"<<std::endl;
            cin >> metro;
        }
        
        print_file(metro);
        
    }


}