For these questions, the following functions have been defined:
$la(x,y,z) = min(x+y, y+z)$
$le (x,y,z) = max(x–y, y–z)$
$ma(x,y,z)=(1/2) [le(x,y,z)+la(x,y,z)]$
What is the value of $ma(10, 4, le(la(10, 5, 3), 5,3))$