In ladders:PCEP Review
BeginnerLoops2000 ms256 MB

Completed Modules

A student earns points for each completed module. Given `n` point values, compute the total.

Statement

A student earns points for each completed module. Given `n` point values, compute the total.

Input

The first line contains `n`. The second line contains `n` integers.

Output

Print the sum of the integers.

Constraints

  • `1 <= n <= 1000`

Examples

Example 1

Input

4
10 15 10 20

Output

55

The total is 10 + 15 + 10 + 20.

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