#include <iostream>
#include <string>
#include <fstream>
using namespace std;

int main ( )
{
    ifstream file ( "test.txt" );
    string line;
    try
    {
        if ( file.fail ( ) )
        {
            throw (string) "unable to open the file\n";
        }
        while ( getline ( file , line ) )
        {
            cout << line << '\n';
        }
        file.close ( );
    }
    catch ( string error )
    {
        cout << error << '\n';
    }

    return 0;
}