import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}

import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
 *
 * @author andy
 */
public class DancingWithGooglers {

    public static void main(String[] args) throws Exception {
        
        //char sd = '1';
        //int[] sdf = new int[ 10 ];
        
        //System.out.println( Math.ceil( 17 / 3.0 ) );
        
        String map = "yhesocvxduiglbkrztnwjpfmaq";
        
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); 
        
        String s = in.readLine();
        
        int numTestCases = Integer.parseInt(s);
        
        for( int testCase = 1 ; testCase <= numTestCases ; testCase ++ )
        {
            String strCase = in.readLine();
            
            String[] arrCase = strCase.split(" ");
            
            int count = 0;
            
            int numDancers = Integer.parseInt( arrCase[ 0 ] );
            int numSurprises = Integer.parseInt( arrCase[ 1 ] );
            int cutoff = Integer.parseInt( arrCase[ 2 ] );
            
            for( int i = 0 ; i < numDancers ; i ++ )
            {
                int score = Integer.parseInt(arrCase[ i + 3 ]);
                
                int modThree = score % 3;
                
                int divThree = score / 3;
                
                if( modThree > 0 ) divThree ++;
                
                if( divThree >= cutoff )
                {
                    count ++;
                }else if( numSurprises > 0 && (modThree == 0 || modThree == 2) && divThree > 1 && divThree + 1 >= cutoff)
                {
                    numSurprises --;
                    count ++;
                }
                
            }
            
            System.out.println("Case #" + testCase + ": " + count);
            
        }
    }
}