I have to write a program to read N data items into two arrays, X and Y, of size 25. Calculate and store the products of corresponding pairs of elements of X and Y in a third array, Z, also of size 25. Also, compute and print the square root of the sum of the items of the three arrays. Prompt the user for input with N less then 25.

I'm not sure how to start it because my mind is so confused at how its worded I dont know what to do first this is only one of three that i have to do before friday so please can you help me please I'm only asking for a start.