Integer user$\_$input is read from input. Initialize variable $x$ with $28.$ Then, write a while loop to perform the following tasks at each iteration until $x$ is less than user$\_$input:

Decrement $x.$

If $x$ is divisible by $2,$ then output the value of $x.$

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$1$ user$\_$input $={\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(input())$

$2.$

$4$