import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { static long longestSequence(long[] a) { long sum=0L; for(int i=0;i=1;j=j/2) {sum=sum+j; } } else {if(a[i]%2==1) { sum=sum+a[i]; if(a[i]!=1) {sum=sum+1;}}}} return sum; } public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); long[] a = new long[n]; for(int a_i = 0; a_i < n; a_i++){ a[a_i] = in.nextLong(); } long result = longestSequence(a); System.out.println(result); in.close(); } }