int main() { string name = "amir";string user;int pass = 1234; int pass_2;do 
{  cout << "type your name : ";  cin >> user;  //cin >> pass_2;  cout << "type your pass : ";  cin >> pass_2;  /* cin >> user; 
  cin >> pass_2;*/  } while (user != name || pass != pass_2);  cout << "ok";return 0;}