#include<stdio.h>
void checkNum();
int main(){
	int a, b, arr[101], i;
	scanf("%d%d", &a, &b);
	checkNum(a, b, arr);
	for(i = 1 ; i <= arr[0] ; i++){
		printf("%d\n", arr[i]);
	}
	return 0;
}
void checkNum(int a, int b, int nums[]){
	int i = 0, c;
	for(; a <= b ; a++){
		if(a%3 == 0){
			nums[i+1] = a;
			i++;
			continue;
		}
		c = a;
		while(c > 100 && !(c%10 == 3)){
			c = c / 10;
		}	
		if(c%10 == 3 || c/10 == 3){
			nums[i+1] = a;
			i++;
		}
	}
	nums[0] = i;
}