#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,t,j;i<=b;++i){
		t=i,j=0;
		three=false;
		while(t){
			if(t%10==3){
				three=true;
				break;
			}
			j=t%10;
			t/=10;
		}
		if(j%3==0||three)cout<<i<<"\n"s;
	}
}