Three, the age of 20 people input record (ae, recorded in the array on the person's age and statistics "recorded in the array comt), if age is less than 3, that is youth, write down the count [Ol, if age greater than or equal to 30 and less than zero is considered a prime of life, write down comt1, if age greater than or equal to 40 but less than 50, is a middle-aged, write down the count (21 if age greater than or equal to 50, and less than 60 is considered to be older, write down counti3], if greater than or equal to 60, just as the old, write down comt4, count them one by one all age, and the statistical results are recorded

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