#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
int main()
{
int a, b;
scanf("%d
%d", &a, &b);
for(;a<=b;a++)
{
if(a<=9)
{
switch(a)
{
case 0: printf("zero
"); break;
case 1: printf("one
"); break;
case 2: printf("two
"); break;
case 3: printf("three
"); break;
case 4: printf("four
"); break;
case 5: printf("five
"); break;
case 6: printf("six
"); break;
case 7: printf("seven
"); break;
case 8: printf("eight
"); break;
case 9: printf("nine
"); break;
default:
break;
}
}
else if(a<=b)
{
if(a%2==0)
{
printf("even
");
}
else
{
printf("odd
");
}
}
}
return 0;
}