#698. Largest sum of a window of 5
Look at the sums of every 5 elements in a row and find the largest one (n ≥ 5).
### Input
The first line has n, the second line has n integers separated by spaces.
### Output
A number.
Examples
Input
8 17 5 -11 -2 -4 16 11 1
Output
22
Input
11 -8 19 15 3 -7 -10 20 6 17 -13 -9
Output
26
💡 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.