package Yukicoder

/**
 * Created by hichikawa on 2015/11/12.
 */
fun main(args: Array<String>) {
    for (i in 0..9) {
        for (j in 0..9) {
            for (k in 0..9) {
                println(i.toString() + j.toString() + k.toString())
                val input = readLine() as String
                if (input.equals("unlocked")) {
                    return
                }
            }
        }
    }
}