1#include<bits/stdc++.h>
2using namespace std;
3int main()
4{
5 int a,b;
6 string c[]={"","one","two","three","four","five","six","seven","eight","nine"};
7 cin>>a>>b;
8 for(int i=a;i<=b;i++)
9 cout<<((i<=9)?c[i]:((i%2==0)?"even":"odd"))<<endl;
10}