/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
Scanner sc = new Scanner(System.in);
List<String> lines = new ArrayList<String>();
while (sc.hasNextLine()) {
  lines.add(sc.nextLine());
}
Collections.sort(lines);
Map<String,String[]> keys = new HashMap<String,String[]>();
Map<String,Integer> counts = new HashMap<String,Integer>();
for (String s : lines) {
	String[] tt = s.split(" ");
	String user = tt[1];
	String page = tt[2];
	if (!keys.containsKey(user)) {
		keys.put(user, new String[] {null, null, page});
		continue;
	}
	String[] pages = keys.get(user);
	pages[0] = pages[1];
	pages[1] = pages[2];
	pages[2] = page;
	if (pages[0] == null) {
		continue;
	}
	String combinedKey = pages[0]+"->"+pages[1]+"->"+pages[2];
	Integer old = counts.get(combinedKey);
	if (old == null) {
		old = 0;
	}
	counts.put(combinedKey, old + 1);
}
for (Map.Entry<String,Integer> e : counts.entrySet()) {
	System.out.println(e.getKey() + " " + e.getValue());
}
 
	}
}

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