If you get rid of the system("cls"); Im pretty sure that will end the loop like out come and if you go to the link above this comment you should find what your looking for; loops that is...
So your code says go down 8 lines. Ask the user to "Enter Number: ". You take in a value from the user in variable "Numb" ; thats assuming you have more to this code that would declare the variable with a data type of some sort. Never mind. Please look at all the links provided.