#include<stdio.h>
int main()
{
    int m,n,count,a,b,c,i;
    scanf("%d %d",&m,&n);
    count=1;
    i=m;
    for(i=m;i<=n;i++)
    {
        a=i%10;
        b=(i/10)%10;
        c=i/100;
        if(i==a*a*a+b*b*b+c*c*c)
            printf("i ");
        else
            count=0;
    }
    if(count=0)
        printf("No\n");
    return 0;
}