// A word counting utility.
import java.io.*;

class WordCount {
  public static int words = 0;
  public static int lines = 0;
  public static int chars = 0;

  public static void wc(InputStreamReader isr)
    throws IOException {
    int c = 0;
    boolean lastWhite = true;
    String whiteSpace = " \t\n\r";

    while ((c = isr.read()) != -1) {
      // Count characters
      chars++;
      // Count lines
      if (c == '\n') {
        lines++;
      }
      // Count words by detecting the start of a word
      int index = whiteSpace.indexOf(c);
      if(index == -1) {
        if(lastWhite == true) {
          ++words;
        }
        lastWhite = false;
      }
      else {
        lastWhite = true;
      }
    }
    if(chars != 0) {
      ++lines;
    }
  }
  public static void main(String args[]) {
    FileReader fr;
    try {
      if (args.length == 0) { // We're working with stdin
        wc(new InputStreamReader(System.in));
      } 
      else { // We're working with a list of files
        for (int i = 0; i < args.length; i++) {
          fr = new FileReader(args[i]);
          wc(fr);
        }
      }
    } 
    catch (IOException e) {
      return;
    }
    System.out.println(lines + " " + words + " " + chars);
  }
}

//说明：
//lastWhite == true  计数开始或者前一个字符是“空白”
//lastWhite == false 前一个字符不是空白

int index = whiteSpace.indexOf(c); //判断当前字符是否是“空白”(不是则index == -1)
if(index == -1) { // 不是“空白”，说明当前字符处于word中(这里假定以“空白”字符来断词)
    if(lastWhite == true) { // 前一个字符是“空白”，所以当前字符是word的第一个字符，word数量+1
        ++words;
    }
    lastWhite = false; // 对于下一个字符来说，“前一个”字符就不是空白了
} else {
    lastWhite = true;
}