object Main {
  def rotate(cur : String,n : Int) : Set[String] = {
    if(n == 0){
      return Set[String](cur);
    }else{
      return rotate(cur.substring(0,2).reverse + cur.substring(2),n-1) union
             rotate(cur.substring(0,1) + cur.substring(1).reverse,n-1);
    }
  }
  def main(args : Array[String]){
    val before = readLine()
    val N = readLine().toInt min 10
    val after = readLine()

    val future = rotate(before,N)
    val success = !(future contains after)
    val message = if(success) "SUCCESS" else "FAILURE";
    println(message);
  }
}