import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.ArrayList;

public class Compress
{
    public static void main( String[] args ) throws IOException
    {
        // BufferedReader captures data from data file on disk drive
        BufferedReader in = new BufferedReader( new FileReader( "Test.in" ) );
        StringTokenizer st = null;
        String output = "";

        String line = in.readLine(); // read new line of data

        while( line != null ) // detects end of file when line == null
        {
            st = new StringTokenizer( line );
            while( st.hasMoreTokens() )
            {
                placeTokenInAppropriateArrayList( st.nextToken() );
            } // end while

            output = getOutputFromList( words );
            output = output + getOutputFromList( punct );

            System.out.println( output );
            line = in.readLine(); // read string from file
        } // end while
        
    } // end main( )

    
    static String getOutputFromList( ArrayList<String> list )
    {
        String word = "", output = "";
        int count = 0, index = 0;

        while( !list.isEmpty() )
        {
            word = list.get( 0 );
            count = 1;
            list.remove( 0 );

            // Returns -1 if word is not in the list.
            while( list.indexOf( word ) != -1 )
            {
                index = list.indexOf( word );
                count++;
                list.remove( index );
            } // end while

            output = output + count + word;
        } // end while

        return output;
        
    } // end getOutputFromList()

    
    static void placeTokenInAppropriateArrayList( String tok )
    {
        int len = tok.length();
        char ch;
        String word = "";

        for( int i = 0; i < len; i++ )
        {
            ch = tok.charAt( i ); // grab next character

            if( Character.isLetter( ch ) )
                word = word + ch;
            else
                punct.add( "" + ch ); // add now as length is never > 1
        } // end for

        if( word != null )
            words.add( word );
        
    } // end placeTokenInAppropriateArrayList( )

    
    static private ArrayList<String> words = new ArrayList<String>();
    static private ArrayList<String> punct = new ArrayList<String>();

} // end class Compress

/////////////////////////////////////////////////////
//
//  Screen Dump
//  ===========
//
//  3nullYES3nullI3nullCAN3!
//  1nullSHE1nullLOVES1nullYOU3nullYEAH4!
//  3nullSEA2nullSHELLS1nullBY1nullTHE1nullSHORE1.
//
/////////////////////////////////////////////////////