#include <iostream>
#include <cstdio>
using namespace std;
 
int main() {
    int a,b;
    cin>>a>>b;
    for(int x=a;x<=b;++x){
 
    if( x==1)
        cout<<"one";
    else
        if( x==2)
            cout<<"two";
        else
            if( x==3)
        cout<<"three";
        else
        if(x==4)
        cout<<"four";
        else
        if(x==5)
        cout<<"five";
        else
        if(x==6)
        cout<<"six";
        else
        if(x==7)
        cout<<"seven";
        else
        if(x==8)
        cout<<"eight";
        else
        if(x==9)
        cout<<"nine";
        else
        if( x%2==0)
        cout<<"even"; else cout<<"odd";
        cout<<endl;
 
}
 
 
    return 0;
}