- Time limit: 1.00 s
- Memory limit: 512 MB
Input
The first input line has an integer $n$: the number of elements.
The next line has $n$ integers $x_1,x_2,\dots,x_n$: the contents of the list.
Output
Print one integer: the answer for the task.
Constraints
- $1 \le n \le 10^5$
- $1 \le x_i \le 10^6$
Input:
8
5 4 20 1 16 17 5 15
Output:
19