#include<iostream>
#include<vector>
#include<algorithm>
#include<cstdio>
using namespace std;
int main(){
    long long a,b,i,j,n,s;
    cin >> a >> b;
    for(i=a;i<=b;i++){
        n=i;
        for(j=1000000000;j>=1;j/=10){
            if(i%3==0){
                cout << i << endl;
                break;
            }
            s=n/j;
            if(s==3){
                cout << i << endl;
                break;
            }
            n-=s*j;
        }
    }
    return 0;
}