#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main(void) {
	long int A;
	long int B;
	long int i;
	char s[10]={0};
	
	scanf("%ld %ld",&A,&B);
	for(i=A;i<=B;i++){
		sprintf(s,"%ld",i);
		if(i%3 == 0 || strstr(s,"3")!=NULL)
		printf("%ld\n",i);
	}
	return 0;
}