include

using namespace std;

int main() { int a, b; cin >> a >> b;

for (int i = a; i <= b; i++) {
    switch (i) {
        case 1: cout << "one" << endl; break;
        case 2: cout << "two" << endl; break;
        case 3: cout << "three" << endl; break;
        case 4: cout << "four" << endl; break;
        case 5: cout << "five" << endl; break;
        case 6: cout << "six" << endl; break;
        case 7: cout << "seven" << endl; break;
        case 8: cout << "eight" << endl; break;
        case 9: cout << "nine" << endl; break;
        default:
            if (i % 2 == 0) 
                cout << "even" << endl;
            else 
                cout << "odd" << endl;
    }
}

return 0;

}