#!/bin/python

import sys

def longestSequence(a):
    sum=0
    for i in a:
        while i%2==0:
            sum+=i
            i=i/2
        if i!=1:
            sum+=1+i
        else:
            sum+=1
    return sum;
            
        

if __name__ == "__main__":
    n = int(raw_input().strip())
    a = map(long, raw_input().strip().split(' '))
    result = longestSequence(a)
    print result