可以统计出该文章中的文字、字母、数字、空格的个数。

输入的文章存储状态为静态存储，每行最多不超过80个字符，可自由定义行数N。输入的文字以文本文件的格式保存在磁盘文件中。输入的数据形式可以是大、小写英文字母，任何数字及标点符号。分四行分别输出总字数、字母数、数字个数、空格数。

-May be the statistics in the article text, letters, numbers, the number of spaces. Enter the article is stored as a static state of storage, each line no more than 80 characters are free to define the number of rows N. Enter the text to a text file format saved to disk file. The input data format can be large, lowercase letters, any numbers and punctuation marks. Four lines respectively, the total output of sub-words, letters, number, figure number, number of spaces.