int a, b;
    cin >> a;
    cin >> b;
    
    
    vector <string> words = {
      "",
      "one",
      "two",
      "three",
      "four",
      "five",
      "six",
      "seven",
      "eight",
      "nine"  
    };
    
    for (int i=a; i<=b; i++) {
        if (i >= 1 && i <=9) {
            cout << words[i] <<"\n";
        } else if (i%2==0){
            cout << "even" << "\n";
        } else {
            cout << "odd" << "\n";
        }
    }