arduino stop send data(print) to serial monitor

PaulS:
Does your code really look like that? I am certain that it does not. I am equally certain that you couldn't be bothered to read the stickies at the top of the forum that explain how to post here. So, just why should we help you? Go read the stickies, and fix your post, and I'll reconsider.

Meanwhile, think about how much (or little) memory your Arduino has, and how much of that you are using. I'm pretty certain that you'll (eventually) discover that you are using more than you have, which is never a good thing to do.

i modify the post in order to look better. i dont use all memory of arduino. i looked that