#include <algorithm>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <functional>
#include <map>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <list>
#include <numeric>
using namespace std;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const int INF = 1<<25;
typedef pair<int,int> P;
typedef long long ll;
typedef unsigned long long ull;

bool c1(ll a){
	while(a){
		if(a%10==3) return true;
		a /= 10;
	}
	return false;
}

bool c2(ll a){
	return !(a%3);
}

int main(){
	ll a, b;
	cin>>a>>b;
	while(a<=b){
		if(c1(a)||c2(a)) cout<<a<<endl;
		a++;
	}
	return 0;
}