import java.util.*;
import java.io.*;

public class Concordance1 {
    private Dictionary dict = new Hashtable();
    
    public void readLines(BufferedReader input) throws IOException {
	String delims = " \t\n.,!?;:()";
	for(int line = 1; true; line++) {
	    String text = input.readLine();
	    if (text == null) return;
	    text = text.toLowerCase();
	    Enumeration e = new StringTokenizer(text, delims);
	    while (e.hasMoreElements())
		enterWord((String) e.nextElement(), new Integer(line));
	}
    }

    public void generateOutput(PrintStream output) {
	Enumeration e = dict.keys();
	while (e.hasMoreElements()) {
	    String word = (String) e.nextElement();
	    Vector set = (Vector) dict.get(word);
	    output.print(word + ": ");
	    Enumeration f = set.elements();
	    while (f.hasMoreElements())
		output.print(f.nextElement() + " ");
	    output.println("");
	}
    }

    private void enterWord(String word, Integer line) {
	Vector set = (Vector) dict.get(word);
	if (set == null) {
	    set = new Vector();
	    dict.put(word,set);
	}
	if (! set.contains(line)) set.addElement(line);
    }

    static public void main(String[] args) {
	Concordance1 c = new Concordance1();
	try {
	    c.readLines(new BufferedReader(new InputStreamReader(System.in)));
	} catch (IOException e) { return; }
	c.generateOutput(System.out);
    }
}