Description

Draw a hollow or solid rectangle based on the given parameters.

Input Format

Input consists of four parameters: the first two are integers representing the height and width of the rectangle (height between 3 and 10 rows, width between 5 and 10 columns); the third parameter is a character used to draw the rectangle; the fourth parameter is either 1 or 0, where 0 represents a hollow rectangle and 1 represents a solid rectangle.

Output Format

Output the drawn rectangle.

Sample

7 7 @ 0

@@@@@@@
@     @
@     @
@     @
@     @
@     @
@@@@@@@