#include<sstream>
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<string>
#include<vector>
#include<set>
#include<map>
#include<queue>
#include<numeric>
#include<functional>
#include<algorithm>
using namespace std;
#define INF (1<<29)
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
#define uniq(v) v.erase(unique(all(v)),v.end())
#define indexOf(v,x) (find(all(v),x)-v.begin())




int main(){
	int a,b;
	cin>>a>>b;
	for(int i=a;i<=b;i++){
		int m=i;
		bool f=m%3==0;
		while(m){
			if(m%10==3)f=true;
			m/=10;
		}
		if(f)cout<<i<<endl;
	}
	return 0;
}