#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int a, b;
    cin >> a >> b;

    srep(i,a,b+1){
        int x = i;
        int flag = 0;
        if(x % 3 == 0)flag = 1;
        while(x > 0){
            if(x % 10 == 3)flag = 1;
            x /= 10;
        }
        if(flag)cout << i << endl;
    }

    return 0;
}