#define N 5
int main() {
	int S[N] = { 1,2,3,4,5};
	int s = 0;
	for (int i = 0; i < N; i++) {
		s += S[i];
	}
	int n = 1 << N - 1-1;//n是每个数字出现的次数
	int Sum = n * s;
	std::cout << Sum << std::endl;
}