#include<stdio.h>
int main(){
int a,b,I;
scanf("%d %d",&a,&b);

for(I=a;I<=b;I++){
if(I%3==0||I%10==3||I%100==3||I%1000==3||I%10000==3||I%100000==3||I%1000000==3||I%10000000==3||I%100000000==3||I%1000000000==3||I%10000000000==3){
printf("%d\n",I);
}
}
return 0;
}