;Task:
Write a function or program which:
* &nbsp; takes a positive integer representing a duration in seconds as input (e.g., <code>100</code>), and
* &nbsp; returns a string which shows the same duration decomposed into:
:::* &nbsp; weeks,
:::* &nbsp; days, 
:::* &nbsp; hours, 
:::* &nbsp; minutes, &nbsp; and 
:::* &nbsp; seconds.

This is detailed below (e.g., "<code>2 hr, 59 sec</code>").


Demonstrate that it passes the following three test-cases:

<p style="font-size:115%; margin:1em 0 0.5em 0">'''''Test Cases'''''</p>

:::::{| class="wikitable"
|-
! input number
! output string
|-
| 7259
| <code style="background:#eee">2 hr, 59 sec</code>
|-
| 86400
| <code style="background:#eee">1 d</code>
|-
| 6000000
| <code style="background:#eee">9 wk, 6 d, 10 hr, 40 min</code>
|}

<p style="font-size:115%; margin:1em 0 0.5em 0">'''''Details'''''</p>

The following five units should be used:
:::::{| class="wikitable"
|-
! unit
! suffix used in output
! conversion
|-
| week
| <code style="background:#eee">wk</code>
| 1 week = 7 days
|-
| day
| <code style="background:#eee">d</code>
| 1 day = 24 hours
|-
| hour
| <code style="background:#eee">hr</code>
| 1 hour = 60 minutes
|-
| minute
| <code style="background:#eee">min</code>
| 1 minute = 60 seconds
|-
| second
| <code style="background:#eee">sec</code>
| 
|}

However, '''only''' include quantities with non-zero values in the output (e.g., return "<code>1 d</code>" and not "<code>0 wk, 1 d, 0 hr, 0 min, 0 sec</code>").

Give larger units precedence over smaller ones as much as possible (e.g., return <code>2 min, 10 sec</code> and not <code>1 min, 70 sec</code> or <code>130 sec</code>)

Mimic the formatting shown in the test-cases (quantities sorted from largest unit to smallest and separated by comma+space; value and unit of each quantity separated by space).
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