include

using namespace std;

int main() { int a, b;

cin >> a >> b;

for (int i = a; i <= b; ++i) {
    if (i >= 1 && i <= 9) {

        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;
        }
    } else if (i > 9) {
        if (i % 2 == 0) {
            cout << "even" << endl;
        } else {
            cout << "odd" << endl;
        }
    }
}

return 0;

}