#include<bits/stdc++.h>
using namespace std;

int main(){
	cin.tie(0),ios::sync_with_stdio(false);
	int a,b;
	cin>>a>>b;
	bool three;
	for(int i;a<=b;++a){
		i=a;
		three=false;
		while(i){
			if(i%10==3)three=true;
			i/=10;
		}
		if(three||a%3==0)cout<<a<<"\n"s;
	}
}