import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.PrintWriter; PrintWriter java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    }
} Main public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    } main {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    } BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in)); br new BufferedReader(new java.io.InputStreamReader(System.in)) PrintWriter pw = new PrintWriter(System.out); pw new PrintWriter(System.out) StringTokenizer st = new StringTokenizer(br.readLine()); st new StringTokenizer(br.readLine()) double a = Double.parseDouble(st.nextToken()); a Double.parseDouble(st.nextToken()) Double.parseDouble Double st.nextToken() st.nextToken st double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); result a + Math.pow(a, 2) + Math.pow((double)a, 3) a + Math.pow(a, 2) + Math.pow((double)a, 3) a Math.pow(a, 2) Math.pow Math a 2 Math.pow((double)a, 3) Math.pow Math (double)a 3 pw.println((int)result) pw.println pw (int)result br.close() br.close br pw.close() pw.close pw String[] args args public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    }
} public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        StringTokenizer st = new StringTokenizer(br.readLine());

        double a = Double.parseDouble(st.nextToken());
        double result = a + Math.pow(a, 2) + Math.pow((double)a, 3); 

        pw.println((int)result);
        br.close();
        pw.close();
    }
}