You are given an integer N and an integer array A as an input. Where N denotes the length of A. Assume that the sum of all elements A to be S. Write a program to return the product of N and S.

#include <iostream>
using namespace std;

void main() {
	int N;
	cin >> N;
	int A[N];
	for (int i = 0; i < N; i++) {
		cin >> A[i];
	}
	int sum = 0;
	for (int i = 0; i < N; i++) {
		sum = sum + A[i];
	}
	cout << N*sum << endl;

}