import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public class Dancing_With_the_Googlers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String strFileName = "B-large";
		String strInputFileName = strFileName + ".in";
		String strOutputFileName = strFileName + ".out";
		int iCaseNumber = 1;
		
		try {
			////////////////////////////////////////////////////////////////
			BufferedReader in = new BufferedReader(new FileReader(strInputFileName));
			BufferedWriter out = new BufferedWriter(new FileWriter(strOutputFileName));
			String inString = "";
			String outString = "";

			String sTotalNumber = in.readLine();
			
			while ((inString = in.readLine()) != null) {
				//System.out.println(inString);

				String[] sArray = inString.split(" ");
				int iNumCount = Integer.parseInt(sArray[0]);
				int iSurprisingNum = Integer.parseInt(sArray[1]);
				int iStandardNum = Integer.parseInt(sArray[2]);
				int iResultCount = 0;
				
				for (int idx = 3; idx < iNumCount + 3; idx++) {
					int iTarget = Integer.parseInt(sArray[idx]);
					
					// ÃÑ ÇÕ¿¡¼­, ±âÁØ°ªÀ» »©°í, ³ª¸ÓÁö¸¦ ±¸ÇÑ´Ù.
					// ±× ³ª¸ÓÁö°¡, Â÷ÀÌ°ª
					int iRemain = iTarget - iStandardNum;
					int iCompare = (iStandardNum - 1) * 2;
					int iCompareSecond = (iStandardNum - 2) * 2;
					
					if (iRemain < 0) {
						continue;
					}
					
					if (iRemain >= iCompare) {
						iResultCount++;
//						System.out.println(String.format("iTarget:[%d], iRemain:[%d], iCompare[%d], iNumCount:[%d], iSurprisingNum:[%d], iStandardNum:[%d],"
//								,iTarget,iRemain, iCompare, iNumCount, iSurprisingNum, iStandardNum));
					}
					else if (iSurprisingNum > 0 && iRemain >= iCompareSecond) {
						iResultCount++;
						iSurprisingNum--;
//						System.out.println(String.format("iTarget:[%d], iStandardNum[%d] iRemain:[%d], iCompareSecond[%d], iNumCount:[%d], iSurprisingNum:[%d], iStandardNum:[%d],"
//								,iTarget,iStandardNum,iRemain, iCompareSecond, iNumCount, iSurprisingNum, iStandardNum));
					}
				}
												
				outString = String.format("Case #%d: %d\n", iCaseNumber++, iResultCount); 
				System.out.print(outString);
				out.write(outString);
			}
			in.close();
			out.close();
			////////////////////////////////////////////////////////////////
		} catch (IOException e) {
			System.err.println("ERROR");
			System.err.println(e); // ¿¡·¯°¡ ÀÖ´Ù¸é ¸Þ½ÃÁö Ãâ·Â
			System.exit(1);
		}	     
	}
}
