int a,b,i;
    cin>>a;
    cin>>b;
    for(i=a;i<=b;i++)
    {
        switch(i)
            {
            case 1: cout<<"one \n";break;
            case 2: cout<<"two \n";break;
            case 3: cout<<"three \n";break;
            case 4: cout<<"four \n";break;
            case 5: cout<<"five \n";break;
            case 6: cout<<"six \n";break;
            case 7: cout<<"seven \n";break;
            case 8: cout<<"eight \n";break;
            case 9: cout<<"nine \n";break;
        }
    }
        for(i=10;i<=b;i++)
        {
            if((i%2)==0)
            cout<<"even \n";
            else
                cout<<"odd \n";
        }