// g++ -std=c++11 temp.cpp
#include <bits/stdc++.h>
using namespace std;

#define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define REP(i,n) FOR(i,0,n)
#define EACH(itr,v) for(auto itr:v)
#define pb(s) push_back(s)
#define mp(a,b) make_pair(a,b)
#define all(x) (x).begin(),(x).end()
#define dbg(x) cout<<#x"="<<x<<endl

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> P;
typedef pair<P, int> PPI;

#define INF INT_MAX/3

#define MAX_N 1000

ll a,b;

int main(){
	cin>>a>>b;
	for(ll i = a; i <= b; i++){
		string s = to_string(i);
		bool flag = false;
		REP(j,s.length()){
			if(s[j] == '3') flag = true;
		}
		if(flag || i % 3 == 0) cout<<i<<endl;
	}
	return 0;
}