Array Sum Calculation

Calculate the sum of all elements in an array of length N.

Input:

Line 1: An integer N indicating the size of the array.
Line 2: N integers, the elements of the array, separated by spaces.

Output:

The sum of all array elements.

Example:

Input:

5
1 2 3 4 5

Output:

15

Constraints:

• 1 <= N <= 10⁶

Note:

Implement the functionality to compute the sum; you are not required to print anything.