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

int main(int argc, char **argv) {
    int a, b, i, count, diff;
    while(1)
    {
        scanf("%d %d", &a, &b);
        if(a > b)
            break;
        count = 0;
        diff=b-a;
        int t[diff+1];
        for(i=a ; i <= b ; i++)
        {
            if(i % 3 == 0 && i % 9 != 0)
            {
                t[count]=i;
                count++;
            }
        }
        if(count == 0)
            printf("-1\n");
        else if (count !=0 )
        {
        for(i=0; i<count-1 ; i++)
                printf("%d ",t[i]);
        printf("%d\n",t[i]);
        }
    }

    return 0;
}