#605. List: range (largest - smallest)
You are given a list of integers. Find its **range (largest - smallest)**.
### Input
The first line has n, the second line has n integers separated by spaces.
### Output
The answer.
Examples
Input
8 -7 -67 21 -44 83 -15 -19 18
Output
150
Input
7 68 28 -99 28 74 -24 48
Output
173
💡 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.