fun main(args: Array<String> ) {
  val n  = readLine()!!.toInt()
  val ts:MutableList<Int> = readLine()!!.split(" ").map { x -> x.toInt() }.toMutableList()
  for(i in (1..2*n - 3 - 1)) { 
    for(p in (0..i) ) {
      val q = i - p 
      if( n <= q ) { continue } 
      if( p >= q ) { break }
      if(ts[p] > ts[q]) {
          val swap = ts[p]
          ts[p] = ts[q]
          ts[q] = swap
      }
    }
  } 
  println(ts.joinToString(" ") )
}