Sum of squares of even numbers

TypeScript Easy math

Task «Sum of squares of even numbers»

Write a program that takes an integer N, then N integers. Calculate the sum of squares of only the even numbers from the input. If there are no even numbers, output 0.

Input Format

The first line contains an integer N (1 ≤ N ≤ 100). The second line contains N integers separated by spaces, each with an absolute value not exceeding 1000.

Output Format

One integer — the sum of squares of even numbers.

Examples

Example 1

INPUT
123
OUTPUT
0
main.ts