public class Main {
  public static void main(String[] args) {
    int a = new java.util.Scanner(System.in).nextInt();
    int b = a + a * a + a * a * a;
    System.out.println(b);
  }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz