fun main() {
    val builder = StringBuilder()

    val (a, b) = readInputLine().split(" ").map { it.toInt() }

    for (i in a..b) {
        if (i % 3 == 0 || i.toString().contains('3')) {
            builder.appendln(i)
        }
    }

    print(builder.toString())
}

fun readInputLine(): String {
    return readLine()!!
}