import java.lang.Runtime

fun box() : String {
    val processors = Runtime.getRuntime().sure().availableProcessors()
    var threadNum = 1
    while(threadNum <= 1024) {
        System.out?.println(threadNum)
        if(threadNum < 2 * processors)
            threadNum += 1
        else
            threadNum *= 2
    }
    return "OK"
}