#include <iostream>

using namespace std;

int main(){
	int a,b;
	cin >> a;
	cin >> b;
	int i,j;
	
	for(i = a; i <= b; i++){
		if(i % 3 == 0){
			cout << i << endl;
		}else if(i % 10 == 3){
			cout << i << endl;
		}else{
			int num = i;
			while(num != 0){
				num /= 10;
				if((num%10)%3 == 0 && num != 0){
					cout << i << endl;
					break;
				}
			}
		}
	}
	
	return 0;
}