#include <iostream>

using namespace std;

const int MAX_SIZE = 1e9;
unsigned int A,B;

int hasthree(unsigned int num){
    if (num % 3 == 0) return 1;
    int cnum = 10;
    while ( 1 ){
        if (num % cnum == 3) return 1;
        if (num < 10) return 0;
        num /= cnum;
    } 
    return 0;
}

int main(){
    cin >> A >> B;
    for (unsigned int i=A; i<=B;i++){
        if(hasthree(i)) cout << i << endl;
    }    
}