Description

Read two positive integers $m$ and $n$ ($n ≤ m$) less than $1000$ from the keyboard, and simulate the multiplication operation, outputting it in vertical format.

Input Format

Two positive integers $m$ and $n$ ($n ≤ m$) less than $1000$, separated by a single space.

Output Format

Output the vertical format of the multiplication operation between the two integers. Each line of numbers should end with a carriage return, with no spaces on the right; the left side of the final product line should have no content. See the sample output below for the specific format.

Sample

129 91

129
91
129
1161
11739