// StreamTokenizerExample.java

import java.io.*;

class StreamTokenizerExample {

	public static void main(String[] args) {
		StreamTokenizer st = new StreamTokenizer(
								new BufferedReader(
									new InputStreamReader(System.in)));
		
		// Include the following line if you want end-of-line tokens	
		st.eolIsSignificant(true);
		
		// Include the following line if you want SPACES in your string values
		// st.wordChars(32,32);

		// Include the following line if you want TABS in your string values
		// st.wordChars('\t','\t');
		
		while (true) {
			int token;
			try { token = st.nextToken(); }
			catch (Exception e) {
				System.out.println("   ** I/O Exception");
				break;
			}
			if (token == st.TT_EOF) {
				System.out.println("   ** eof");
				break;
			}
			else if (token == st.TT_EOL)
				System.out.println("   ** newline");
			else if (token == st.TT_NUMBER)
				System.out.println("   ** number: " + st.nval);
			else if (token == st.TT_WORD)
				System.out.println("   ** string: " + st.sval);
			else
				System.out.println("   ** unknown token: " + token);
		}
	}
}