[Source](https://www.hackerrank.com/challenges/simple-array-sum)
# Problem statement
Given an array of integers, find the sum of its elements.

For example, if the array ![](./Resources/Element1.svg), ![](./Resources/Element2.svg), so return ![](./Resources/Element3.svg).  


**Function Description**

Complete the simpleArraySum function in the editor below.  It must return the sum of the array elements as an integer.  

simpleArraySum has the following parameter(s):  


* ar: an array of integers  

**Input Format**

The first line contains an integer, ![](./Resources/Element4.svg), denoting the size of the array. 


The second line contains ![](./Resources/Element4.svg) space-separated integers representing the array's elements.  


**Constraints**

![](./Resources/Element5.svg)    


**Output Format**

Print the sum of the array's elements as a single integer.  


**Sample Input**

```
6
1 2 3 4 10 11
```

**Sample Output**

```
31
```

**Explanation**

We print the sum of the array's elements: ![](./Resources/Element6.svg).

