说明：  编程，对输入的一串字符串进行统计，显示其中的数字个数、小写字母个数和大写字母个数。用十进制表示结果。（每种不超过99个）
(Programming, to input a string of a string statistics, showed that of the digital number, lowercase number and the number of capital letters. In decimal representation results. (each not more than 99) )