Air Quality Index

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In the light of `G-20` summit, government has decided to keep the average air quality index (AQI) **strictly below** $100$. On some random day, Chef measures the AQI and found the value to be $X$. Find whether the government was able to keep the AQI within limits. ### Input - The input consists of an integer $X$ — the AQI Chef measured. ### Output Output `YES`, if the government was able to k

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solution.cppC++17

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