Calorie Intake

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Chef has decided that he will cut down on his calorie intake. He will eat atmost $X$ calories in a day. Today, he already ate $Y$ sweets, each having $Z$ calories. Find out how many more calories he can eat. If he has already exceeded his limit, output $-1$. ### Input - The first and only line of input contains $3$ integers - $X, Y$ and $Z$. ### Output For each test case, output on a new line

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solution.cppC++17

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