Codeforces Round #416 (Div. 2) has been moved to start on 27.05.2017 09:35 (UTC). ×

C. Array Sum
time limit per test
2 seconds
memory limit per test
64 megabytes
input
standard input
output
standard output

You are given an array of integers. Calculate the sum of its elements.

Input

The i-th line of the input contains an integer ai (0 ≤ a ≤ 1000) — the i-th element of the array. The size of the array is between 1 and 10, inclusive. Note that the size of the array is not given explicitly!

Output

Output a single integer — the sum of the elements of the array.

Examples
Input
2
15
110
3
Output
130
Input
90
0
21
331
45
Output
487