Problems
Sum of elements
Sum of elements
Given sequence of n real numbers. Find the sum of all its elements.
Input data
First line contains number n~(n \le 100). Next line contains n real numbers, each of them is no more than 100 by absolute value.
Output data
Print the sum of all sequence elements with 1 digit after the decimal point.
Examples
Input example #1
5 1.2 1.3 5.7 1.8 12.4
Output example #1
22.4