I don't think it's the end of the world, but I'm pretty sure one can make solid physiological arguments why the first is a little easier to read.
If it wasn't, how come math notation relies heavily on infix operators and even subscripts, superscripts and more? It's because you want to optimize notation for the frequently used stuff.
If it wasn't, how come math notation relies heavily on infix operators and even subscripts, superscripts and more? It's because you want to optimize notation for the frequently used stuff.