use std::io::Read;

fn main() {
	let mut s = String::new();
	std::io::stdin().read_to_string(&mut s).ok();
	let mut a: Vec<u32> =
		s.split_whitespace().skip(1).flat_map(str::parse).collect();
	a.sort_by(|x, y| y.cmp(x));
	let mut c = 0;
	for (i, a) in a.iter().enumerate() {
		c += a * (i + 1).checked_ilog2().unwrap();
	}
	println!("{c}")
}