#!/bin/python3

import sys
import math
def longestSequence(a):
    s = 0
    for i in a:
        s = s + int(i)
    for i in a:
        if int(i)%2 != 0 and int(i) != 1:
            s = s + 1
        else:
            if int(i) != 1:
                b = (int(i)//2)
                while b >= 1:
                    s = s + b
                    b = b//2
    return (s)
if __name__ == "__main__":
    n = int(input().strip())
    a = list(map(int, input().strip().split(' ')))
    result = longestSequence(a)
    print(result)