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.*;



public class DancingGooglers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int T = 0;
		int N = 0;
		int S = 0;
		int p = 0;
		int ptr = 0;
		int maxCount = 0;
		int scoreSum = 0;
		int score1 = 0;
		int score2 = 0;
		int score3 = 0;
		String currentCase = null;
		String inputFilename = "B-large.in";
		String outputFilename = "B-large.out";
		
		BufferedWriter out = null;
		try {
			out = new BufferedWriter(new FileWriter(outputFilename));
		} catch (IOException e2) {
			// TODO Auto-generated catch block
			e2.printStackTrace();
		}
		
		FileInputStream fStream = null;
		try {
			fStream = new FileInputStream(inputFilename);
		} catch (FileNotFoundException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		DataInputStream in = new DataInputStream(fStream);
		BufferedReader br = new BufferedReader(new InputStreamReader(in));
		
		
		try {
			T = Integer.parseInt(br.readLine());
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
		for(int i=0;i<T;i++) {
			try {
				currentCase = br.readLine();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			maxCount = 0;
			ptr = currentCase.indexOf(' ');
			
			N = Integer.parseInt(currentCase.substring(0,ptr));
			S = Integer.parseInt(currentCase.substring(ptr,currentCase.indexOf(' ',ptr+1)).trim());
			
			ptr = currentCase.indexOf(' ',ptr+1);
			
			p = Integer.parseInt(currentCase.substring(ptr,currentCase.indexOf(' ',ptr+1)).trim());

			
			for(int j=0;j<N;j++) {
				ptr = currentCase.indexOf(' ',ptr+1);
				if (j == N-1) {
					scoreSum = Integer.parseInt(currentCase.substring(ptr).trim());
				}
				else {
					scoreSum = Integer.parseInt(currentCase.substring(ptr,currentCase.indexOf(' ',ptr+1)).trim());
				}

				score1 = scoreSum / 3;
				score2 = (scoreSum - score1) / 2;
				score3 = scoreSum - score1 - score2;
				if (score1 >= p || score2 >= p || score3 >= p) {
					maxCount++;
					continue;
				}
				else {
					if ((S > 0) && (scoreSum > 0)) {
						if (scoreSum < (3*p-4)) {
							//Minimum total points required for to get at least 1 "best result"
							continue;
						}
						
						while ((Math.abs(score1 - score2) < 3) && (Math.abs(score1 - score3) < 3) && (Math.abs(score2 - score3) < 3)) {
							if (score1 >= score2 && score1 >= score3) {
								if (score2 >= score3) {
									if ((score1 + 1) - (score2 - 1) < 3) {
										score1++;
										score2--;
									}
								}
								else {
									if ((score1 + 1) - (score3 - 1) < 3) {
										score1++;
										score3--;
									}
								}
							}
							else if (score2 >= score1 && score2 >= score3) {
								if (score1 >= score3) {
									if ((score2 + 1) - (score1 - 1) < 3) {
										score2++;
										score1--;
									}
								}
								else {
									if ((score2 + 1) - (score3 - 1) < 3) {
										score2++;
										score3--;
									}
								}
							}
							else if (score3 >= score1 && score3 >= score2) {
								if (score1 >= score2) {
									if ((score3 + 1) - (score1 - 1) < 3) {
										score3++;
										score1--;
									}
								}
								else {
									if ((score3 + 1) - (score2 - 1) < 3) {
										score3++;
										score2--;
									}
								}
							}
							
							if (score1 >= p || score2 >= p || score3 >= p) {
								maxCount++;
								S--;
								break;
							}
						}
						
					}
				}
				
			}
			
			try {
				out.write("Case #"+(i+1)+": "+maxCount+'\n');
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		try {
			out.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}	

	}

}
