import std.stdio;
import std.conv, std.array, std.algorithm, std.string;
import std.math, std.random, std.range, std.datetime;
import std.bigint;

void main(){
	long a, b;
	{
		long[] xs = readln.chomp.split.map!(to!long).array;
		a = xs[0], b = xs[1];
		}
	
	for(long x = a; x <= b; x ++){
		string s = x.to!string;
		if(x % 3 == 0 || s.canFind('3')) s.writeln;
		}
	}