Sum of Squares

Given a list of integers, compute the sum of the squares of its elements. Mathematically, you are to compute the value

\( S = \sum_{i=1}^{n} a_i^2 \)

where \(a_i\) represents the i-th integer in the list. Your program should read input from stdin and write the result to stdout.

inputFormat

The first line contains a single integer n representing the number of integers.

The second line contains n space-separated integers.

outputFormat

Output a single integer which is the sum of squares of the given integers.

4
1 2 3 4

30