#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <sstream>
#include <complex>
#include <algorithm>
#include <functional>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <cassert>
#include <fstream>
#define REP(i,n) for(int i=0;i<n;i++)
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define SSTR( x ) static_cast< std::ostringstream & >( \
        ( std::ostringstream() << std::dec << x ) ).str()
#define ALL(s) (s).begin(), (s).end()
using namespace std;
typedef long long unsigned int llu;
typedef long long ll;

const string D_blue    = "\x1b[36m";
const string D_green   = "\x1b[32m";
const string D_red     = "\x1b[31m";
const string D_yellow  = "\x1b[33m";
const string Db_red    = "\x1b[41m";
const string Db_yellow = "\x1b[43m";
const string D_end     = "\x1b[39m";
const string Db_end    = "\x1b[49m";
							     
int main (){
  long a,b;
  
  while (cin >> a >> b){
    for(long l = a ; l < b+1;l++){
      if(l % 3 == 0)cout << l << endl;
      else{
	char c[10];
	sprintf(c,"%ld",l);
	if(find(c,c+10,'3') != c+10) cout << l << endl;
      }
    }
  }
  return 0;
}