#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <algorithm>
#include <sstream>
#include <map>
#include <set>
using namespace std;


#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)

typedef long long ll;
typedef unsigned long long ull;
typedef long double lb;
/* ここからが本編 */
int main(void)
{
   int i,j,k;
   ull a,b;
   bool three;
   ull tmp;
   cin >> a >> b;
   for(i=a;i<=b;i++) {
      three = 0;
      if(i % 3 == 0) three = 1;
      else {
         tmp = i;
         while(tmp) {
            if(tmp%10 == 3) three = 1;
            tmp /= 10;
         }
      }
      if(three) cout << i << endl;
   }
   return 0;
}