EXTRYZE - FORCEFIELD

include /iostream/
include /fstream/
include /string/
 
using namespace std; 
int main()
{
    string s, question, response;
    ifstream fin;
    do{
        cout << "Who are u: ";
        getline(cin,s);
        fin.open("input.txt");
        if(!fin.is_open()) cout << "file is not found!\n";
        while(!fin.eof())
        {
            getline(fin,question);
            getline(fin,response);
            if(question==s) cout << "Response: " << response << endl;
        }
        fin.close();
    }while(s!="stop");
    system("pause");
return 0;   
}
P.S "input.txt" never existed/