Competitions

# PP1 Week 3 Contest 1

# Sum of elements

Given sequence of **n** real numbers. Find the sum of all its elements.

#### Input

First line contains number **n** (**n** ≤ **100**). Next line contains **n** real numbers, each of them is no more than **100** by absolute value.

#### Output

Print the sum of all sequence elements with **1** digit after the decimal point.

Input example #1

5 1.2 1.3 5.7 1.8 12.4

Output example #1

22.4