#P130C. Decimal sum

Decimal sum

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