well inch-thick yeah it's sending you need to convert if that's of gratitude hexadecimal number you don't care what the actual value at all you care about is that interests not you know number that would manipulate dr we can talk about that offline i mean it's easier for the first part of the books concern to be able to be differentiation take differentiate between address in on the dresses but there's also his treatment your sign so i just want to show you one thing very quickly and i'll give you a quick video separate half-point ke want equals new point one come online and then we have some mind pizza and big equals she wanted what's really going on in the computer's memory right is key juan is just some address somewhere in this is on the stack and key to his also just some 