Christmas Cake

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Chef plans to celebrate Christmas by baking a cake. Christmas falls on the $25$-th of December. Every day before Christmas, till the $24$-th of December, Chef will bake **exactly one** practice cake. Today is the $X$-th of December. How many practice cakes will Chef bake starting from today? ### Input - The first and only line of input will contain a single integer $X$ — today's date. ### Ou

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solution.cppC++17

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