import java.util.Scanner

object Problem250 {

  def proc(dxt: Seq[(Int, Int, Long)]): Seq[String] = {
    for ((d, x, t) <- dxt) yield {
      val cnt: BigDecimal =
        (d, x) match {
          case _ if d >= 27 && x >= 27 => Long.MaxValue // 計算量削減
          case _ => ncr(x + d - 1, d - 1)
        }
      if (t >= cnt) "AC" else "ZETUBOU"
    }
  }

  def ncr(n: BigDecimal, r: BigDecimal): BigDecimal = {
    val numer: BigDecimal = (n to n - r + 1 by -1).product
    val denom: BigDecimal = (r to 1 by -1).product

    (numer / denom).setScale(0, scala.math.BigDecimal.RoundingMode.HALF_UP)
  }

  def main(args: Array[String]) {
    val sc = new Scanner(System.in)
    val query = sc.nextInt()
    val dxt = Seq.fill(query)(sc.nextInt(), sc.nextInt(), sc.nextLong())

    val result = proc(dxt)
    result.foreach(println)
  }
}