#include using namespace std; //-------------------------------------------- #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define RFOR(i,a,b) for(int i=(b)-1;i>=(a);i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define LL long long #define INF INT_MAX/3 //-------------------------------------------- const double EPS = 1e-14; const double PI = acos(-1.0); //-------------------------------------------- int main(){ int a,b; string s; scanf("%d %d",&a,&b); FOR (i, a, b + 1) { if (i % 3 == 0) cout << i << "\n"; else { s = to_string(i); if (int(s.find('3')) != -1) cout << i << "\n"; } } }