Give you the width and height of the rectangle,darw it.
输入解释
Input contains a number of test cases.For each case ,there are two numbers n and m (0 < n,m < 75)indicate the width and height of the rectangle.Iuput ends of EOF.
输出解释
For each case,you should draw a rectangle with the width and height giving in the input. after each case, you should a blank line.