a,b,p,q;main(t){scanf("%d%d",&a,&b);for(p=a/10;(p/=10)&&p%10-3;);for(q=b/10;(q/=10)&&q%10-3;);for(t=(b%100>a%100);a<=b;a++)if((t||a%100>b%100?p:q)||a%10==3||a/10%10==3||a%3==0)printf("%d\n",a);}