Dictionary food$\_$quantities contains four key$-$value pairs, each representing a food name and the quantity needed. Read a food name from input. Then, output the corresponding quantity from food$\_$quantities. Finally, delete that pair from food$\_$quantities.

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Ex: If the input is coffees, then the output is:

$70$

Remaining pairs:

$\{\text{'}$donuts$\text{'}$: $76,$ 'mushrooms': $57,$ 'cheesecakes': $20\}$