int main() 
{
    int a, b;
    char *words[] = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};
    //printf("Please input interval [a,b]:\n");
    scanf("%d\n%d", &a, &b);
  	// Complete the code.
    //printf("Please input integer N: \n");
    //scanf("%d", &n);
    for(int i = a; i <= b; i++){
        if(i > 9){
            if(i%2 == 0) printf("even\n");
            else printf("odd\n");
        }
        else if(i >= 1 && i < 9){
            int mod = i%9;
            printf("%s\n", words[mod-1]);
        }
        else printf("nine\n");
    }
    return 0;
}