import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    } main {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int t = scanner.nextInt(); t scanner.nextInt() scanner.nextInt scanner int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3); ans t+(int)Math.pow(t,2)+(int)Math.pow(t,3) t+(int)Math.pow(t,2)+(int)Math.pow(t,3) t (int)Math.pow(t,2) Math.pow Math t 2 (int)Math.pow(t,3) Math.pow Math t 3 System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int ans = t+(int)Math.pow(t,2)+(int)Math.pow(t,3);
        System.out.println(ans);
    }
}