object Solution {

  def main(args: Array[String]) {
    val row = io.Source.stdin.getLines
        .take(1)
        .map(_.trim.toInt)
        .next()

    def triangle(row: Int): Unit = {
       def doT(row: Int, prev: List[Int]): Unit = {
          if (row == 0) return
		
          val next = prev.sliding(2, 1)
                .map(pair => pair.sum)
                .toList
            
          println (next mkString " ")
	  doT(row - 1, (0 :: next) :+ 0)
       }

    doT(row, List(1))
    }
        
    triangle(row)
  }
}