Problem:
Score : 100 points

Problem Statement

Given an integer a as input, print the value a + a^2 + a^3.

Constraints

1 \leq a \leq 10

a is an integer.

Input

Input is given from Standard Input in the following format:

a

Output

Print the value a + a^2 + a^3 as an integer.

Sample Input 1

2

Sample Output 1

14

When a = 2, we have a + a^2 + a^3 = 2 + 2^2 + 2^3 = 2 + 4 + 8 = 14.

Print the answer as an input. Outputs such as 14.0 will be judged as incorrect.

Sample Input 2

10

Sample Output 2

1110

Solution in Java (OpenJDK 11.0.6) (judge verdict: Accepted)

import java.util.*;
import java.lang.*;
import java.io.*;

public class Main {

    private static FastScanner sc;

    private static class FastScanner {
        private Scanner sc;

        FastScanner() {
            sc = new Scanner(System.in);
        }

        public int ni() {
            return sc.nextInt();
        }

        public String ns() {
            return sc.nextLine();
        }

        public long nl() {
            return sc.nextLong();
        }

        public double nd() {
            return sc.nextDouble();
        }
    }

    private static void print(Object o) {
        System.out.print(o);
    }

    private static void println(Object o) {
        System.out.println(o);
    }
    
    private static void printf(String s, Object... data) {
    	System.out.printf(s, data);	
    }

    public static void main(String[] args) {
        sc = new FastScanner();

        solve();
    }

    private static void solve() {
       int n = sc.ni();

       println(n + n*n + n*n*n);
    }
}