Three, the age of 20 people input record (ae, recorded in the array on the person's age and statistics "recorded in the array count), if age is less than 3, that is youth, write down the count [0], if age greater than or equal to 30 and less than zero is considered a prime of life, write down count1, if age greater than or equal to 40 but less than 50, is a middle-aged, credited to count2 if age greater than or equal to 50, and less than 60 is considered to be older, write down count3], if greater than or equal to 60, just as the old, write down count4, to everyone. The age of one by one to count and the statistical results also all input