this return the arithematic of array

this is derived from hacherrank challange given in the link below but i modify to extend the knowladge https://www.hackerrank.com/challenges/simple-array-sum/problem?isFullScreen=true

Given an array of integers, find the sum of its elements.

For example, if the array , , so return .

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, , denoting the size of the array. The second line contains space-separated integers representing the array's elements.

Constraints

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