# Home

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