//C++14 template　　AOJ compare:
#include<bits/stdc++.h>
#include<cstdio>
using namespace std;

#define REP(a,b,c) for(a=b;a<c;a++)
#define rep(x,y,z) for(x=y:x=z;x--)
#define PI 3.14159265359

int main(){
	int a,b;
	scanf("%d%d",&a,&b);
	for(int i=a;i<=b;i++){
		if(i%3==0||i/10==3||i/100==3||i/1000==3||i/10000==3||i/100000==3||i/1000000==3||i/10000000==3||i/100000000==3||i/1000000000==3)cout<<i<<endl;
	}
}