Function Composition Value Calculation

Let S={1,2,3,4,5,6,7,8,9,10} . Define f:S→S as
f(n)={

2n	, if ‌n=1,	2,	3,	4,	5
2n−11	, if ‌n=6,	7,	8,	9,	10,

Let g:S→S be a function such that fog(n)={

n+1	‌ , if n is odd ‌
n−1	, if n is even

Then g(10)g(1)+g(2)+g(3)+g(4)+g(5)) is equal to