#include <iostream>
#include <vector>
using namespace std;

bool is3(int n);

int main(void){
//input
	int min,max;
	cin >> min >> max;
//calc
	vector<int> three; bool isThree;
	for(int i=min;i<=max;i++){
		isThree = is3(i);
		if(isThree) three.push_back(i);
	}
//output
	for (auto i = three.begin(); i != three.end(); ++i) {
		cout << *i << endl;
	}
}

bool is3(int n){
	if(n % 3 == 0) return true;
	
	do{
		if(n % 10 == 3){
			return true;
			exit(0);
		}
		n /= 10;
	}while(n <= 0);
	
	if(n <= 0) return false;
}