Group the numbers

Given an integers, you are asked to group them into h rows that contain w integers.

The first line of the input contains two integers - h and w. The next lines contain a single integer each.

The program should print h rows, which have w integers.

Input

Output

3 4
10
20
30
40
11
21
31
41
12
22
32
42

10 20 30 40
11 21 31 41
12 22 32 42

Can you implement this in a single line of code 😎?

Tip

Use nested list comprehension to create the groups.

Constraints

Time limit: 2 seconds

Memory limit: 512 MB

Output limit: 1 MB

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