Easyarraysloopsmath
Sum of Even Elements
Time limit 2 s · Memory 64 MBAcceptance: 100.0%Solved by: 1
Statement
The first line contains n, the second line contains n integers. Print the sum of the even elements. If there are none, print 0. Zero counts as even.
Examples
Example 1
Input
5 1 2 3 4 5
Output
6
Example 2
Input
3 1 3 5
Output
0
Constraints
- 1 ≤ n ≤ 10^5
- -10^9 ≤ a_i ≤ 10^9