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.FileReader;
import java.util.ArrayList;


public class DancingWithTheGooglers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

		try {
			BufferedReader br = new BufferedReader(new FileReader("/Users/William/Desktop/B-large.in"));
			String strLine;
			
			strLine = br.readLine();
			int numOfLine = Integer.parseInt(strLine);
			
//			ArrayList<String> inputs = new ArrayList<String>();
			for (int i=0;i<numOfLine;i++) {
				strLine = br.readLine();
				String splitedStr[] = strLine.split(" ");
				int numOfDancer = Integer.parseInt(splitedStr[0]);
				int suprise = Integer.parseInt(splitedStr[1]);
				int gap = Integer.parseInt(splitedStr[2]);
				
				int numSuccess = 0;
				for (int j=0;j<numOfDancer;j++) {
					int score = Integer.parseInt(splitedStr[j+3]);
					
					int average = score / 3;
					if (average >= gap) {
						numSuccess++;
					}
					else if (average == gap-1){
						switch (score%3) {
							case 0:
								if ((suprise>0) && (score>0)){
									numSuccess++;
									suprise--;
								}
								break;
							case 1:
								if (score>1) {
									numSuccess++;
								}
								break;
							case 2:
								if ((score==2) && (suprise>0)){
									numSuccess++;
									suprise--;
								}
								else {
									numSuccess++;
								}
								break;
						}		
					}
					else if (average == gap-2) {
						switch (score%3) {
							case 0:
							case 1:
								break;
							case 2:
								if (suprise>0) {
									numSuccess++;
									suprise--;
								}
								break;
						}
					}
				}
				
				int caseNum = i + 1;
				System.out.println("Case #" + caseNum + ": " + numSuccess);
			}
		}
		catch (Exception e) {
			System.err.println("Error: " + e.getMessage());
		}
	}

}
