#include<iostream>

using namespace std;

int main(){
    int A, B, nowNumber, countThree, i;
    cin >> A >> B;
    for(nowNumber=A;nowNumber<=B;nowNumber++){
	countThree = 0;
	if(nowNumber % 3 == 0){
	    countThree = 1;
	}
	for(i=nowNumber;i;i/=10){
	    if(i % 10 == 3){
		countThree = 1;
	    }
	}
	if(countThree == 1){
	    cout << nowNumber << endl;
	}
    }
}