#P130C. Decimal sum

Decimal sum

No submission language available for this problem.

Description

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

The first line of the input contains an integer n (1 ≤ n ≤ 100) — the size of the array. Next n lines contain the elements of the array, one per line. Each element is an integer between 1 and 100, inclusive.

Output the sum of the elements of the array.

Input

The first line of the input contains an integer n (1 ≤ n ≤ 100) — the size of the array. Next n lines contain the elements of the array, one per line. Each element is an integer between 1 and 100, inclusive.

Output

Output the sum of the elements of the array.

Samples

5
1
2
3
4
5

15

7
100
5
45
86
14
20
30

300