Parameter save and figure save without overlapping.

Hallo

I want to save parameters value as my code data is replaced by latest or update one. So please help me as same thing happen for image. When I rund the code it have 4 output image result. Out of 4 we , I am getting only one image which is latest or update one. When same code run 2nd time I get second result which is replaced by 1 st result. So I need to save all data/result of first input data and I have to do 5 times so I will get total 20 fig and 5 different set of result. So please help me?

Thank you