Hayden travelled to Germany with his friend Matt and Sunny again. Hayden saw an interesting building, the Dockland Office Building, which seems like a parallelogram.

Hayden estimated the dimensions of the building. Could you help him draw it on paper?

Input

The only line of the input contains two integers, $B$ and $H$, the estimated base and height of the building. ($2 \leq B, H \leq 100$)

Output

Output an extraordinary, marvelous, outstanding, eye-catching drawing, following the format in the sample test case.

Subtasks

Subtask 1 (15 pts): $B \leq 5$ and $H = 5$
Subtask 2 (85 pts): No additional constraints.

Sample Test Cases