303411: CF661C. Array Sum

Memory Limit：64 MB Time Limit：2 S
Judge Style：Text Compare Creator：
Submit：0 Solved：0

Description

C. Array Sumtime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard 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.

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

Input

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