import std.stdio, std.conv, std.string, std.range, std.array, std.algorithm;

int main(){
	auto I = readln().strip().split().map!(to!int)().array();
	auto S = iota(I[0],I[1]-I[0]+2).map!(nabe)();
	foreach(string s; S){
		s.writef();
	}
	return 0;
}

string nabe(int n){
	if(n%3 == 0){
		return n.to!string()~"\n";
	}
	int a = n;
	while(a>0){
		if(a%10 == 3){
			return n.to!string()~"\n";
		}
		a/=10;
	}
	return "";
}