"""
Given an array of N integers, can you find the sum of its elements?

Input Format

The first line contains an integer, N, denoting the size of the array.
The second line contains N space-separated integers representing the array's elements.

Output Format
Print the sum of the array's elements as a single integer.

Sample Input
6
1 2 3 4 10 11

Sample Output
31
"""


input()  # unneeded
print(sum([int(num) for num in input().split()]))