#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>


int check(int r)
{
    if(r%2==0)
        printf("even\n");
    else
        printf("odd\n");
    return 0;
}
int main() 
{
    int a, b,i;
    scanf("%d\n%d", &a, &b);
      if(a<=9)
        for(i=a;i<=b;i++)
        {
            switch(i)
            {
                case 1: printf("one\n");
                               break;
                case 2: printf("two\n");
                               break;
                case 3: printf("three\n");
                               break;
                case 4: printf("four\n");
                               break;
                case 5: printf("five\n");
                               break;
                case 6: printf("six\n");
                               break;
                case 7: printf("seven\n");
                               break;
                case 8: printf("eight\n");
                               break;
                case 9: printf("nine\n");
                               break;
                default : check(i);
                              break;
                                                                                                                                                       
            }
        }
        
                               
        
                               

    return 0;
}

