import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	}

} Main public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) int a = Integer.parseInt(br.readLine()); a Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0)); sum (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0)) a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0) a Math.pow((double)a, 2.0) Math.pow Math (double)a 2.0 Math.pow((double)a, 3.0) Math.pow Math (double)a 3.0 System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	}

} public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	}

} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int a = Integer.parseInt(br.readLine());
		
		int sum = (int)(a + Math.pow((double)a, 2.0) + Math.pow((double)a, 3.0));
		
		System.out.println(sum);
	}

}