import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
	    Scanner sc = new Scanner(System.in);
	    int input = Integer.parseInt(sc.nextLine());
		int result = 0;
		for (int i=0; i<1; i++) {
			result = 1 * input;
			for (int j=0; j<1; j++) {
				result += input * input;
				for (int k=0; k<1; k++) {
					result += input * input * input;
				}
			}
		}
	    System.out.println(result);
	}
}

/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