#include<iostream>
#include<iomanip>
#include<cmath>
#include<string>
#include<algorithm>
#include<vector>
#include<math.h>

using namespace std;
int main(){
    long A, B; cin >> A >> B;
    for(int i = A; i <= B; i++){
        if(i % 3 == 0 || i % 10 == 3 || i / 10  == 3 || (i / 10) %10 == 3 || (i/100)%10==3 || (i/1000)%10==3 ||
           (i/10000)%10==3 || (i/100000)%10==3 || (i/1000000)%10==3 || (i/10000000)%10==3 || (i/100000000)%10==3 ||
           (i/1000000000)%10==3 || (i/10000000000)%10==3 || (i/100000000000)%10==3 ){
            cout << i << endl;
        }
    }
    return 0;
    }