import std.algorithm, std.array, std.container, std.range, std.bitmanip;
import std.numeric, std.math, std.bigint, std.random, core.bitop;
import std.string, std.regex, std.conv, std.stdio, std.typecons;

void main()
{
  auto rd = readln.split.map!(to!int);
  auto a = rd[0], b = rd[1];

  foreach (i; a..b+1)
    if (i % 3 == 0 || include3(i))
      writeln(i);
}

bool include3(int n)
{
  for (; n > 0; n /= 10)
    if (n % 10 == 3) return true;
  return false;
}