#675. Sum of absolute values
The sum of the absolute values (abs) of all elements.
### Input
The first line has n, the second line has n integers separated by spaces.
### Output
A number.
Examples
Input
10 25 -25 5 -3 -9 -19 2 -19 -27 8
Output
142
Input
8 10 -7 -20 12 21 6 -18 -13
Output
107
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.