Create a Bash script that will take 3 parameters. First parameter will be defining a path, if it doesnt exist it should be created, script should inform user about it. Second parameter will be an integer number x where x > 0 and x <= 20. Third parameter will be an integer number y where y > 0 and y <= 20. Program should create x number of folders, folders should be named with ascending integer numbers starting at 1. Finally, program should create y number of files within each of the newly created folders, files should be named with ascending integer numbers starting at 1.