import java.io.*;

class Test {
    public static void main(String args[]) {
        String path = "sample.txt";
        try {
            BufferedReader br = new BufferedReader(new FileReader(path));
            int charCount = 0;
            int lineCount = 0;
            int wordCount = 0;
            String line;

            while ((line = br.readLine()) != null) {
                charCount += line.length();
                lineCount++;
                String[] words = line.split("\\s+");
                wordCount += words.length;
            }

            br.close();

            System.out.println("Number of characters: " + charCount);
            System.out.println("Number of words: " + wordCount);
            System.out.println("Number of lines: " + lineCount);
        } catch (IOException e) {
            System.out.println(e);
        }
    }
}