#include <iostream>
using namespace std;

int main(void){
//input
	int min,max;
	cin >> min >> max;
//calc,output
	for(int i=min;i<=max;i++){
		bool isThree = false;
		//3の倍数
		if(i % 3 == 0) isThree = true;
		//3のつく数
		for(int t=i;t;t/=10){
			if(t%10 == 3) isThree = true;
		}
		if(isThree) cout << i << endl;
	}
}