import std.stdio;
import std.algorithm;
import std.conv;

void main()
{
    int[2] input;
    readln.splitter.map!(to!int).copy(input[]);
    foreach (i; input[0]..(input[1] + 1)) {
        if (i % 3 == 0 || i % 10 == 3) {
            writeln(i);
        } else {
            for (long j = 10; j < i; j *= 10) {
                if (i / j == 3) {
                    writeln(i);
                    break;
                }
            }
        }
    }
}