Please help with this C++ code

BLOCK CPP Write a program that takes input from a user for number of rows and number of columns and prints out a block of characters that is based on these 2 parameters. The program should keep asking the user for input, and printing out the result, until the user enters zero for each of the input parameters. A session should look exactly like the following example (including whitespace and formatting although note that there is no whitespace at the end of each of these lines), with all manners of different numbers for inputs and the output