/*
 * 207.cpp
 */

//include files
#include<bits/stdc++.h>

using namespace std;

//DEFINE MACROS
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define MIN(a,b) (a>b?b:a)
#define MAX(a,b) (a>b?a:b)
#define INT_IN(a) int a; cin >> a
#define STR_IN(s) string s; cin >> s
#define PRINTLN(s) cout << s << endl
#define PRINTDOUBLELN(s) cout << setprecision(12) << (s) << endl;

//DEFINE CONSTANT

//DEFINE PROTOTYPE

int main(){
  INT_IN(a);
  INT_IN(b);
  for(int i=a;i<=b;i++){
	if(i%3 == 0 || to_string(i).find("3") != -1 ) PRINTLN(i);
  }
  
}