import java.util.List;


public class Case implements Runnable {

	private int id;
	private String output;

	private int n;
	private int s;
	private int p;
	private List<Integer> g;

	public Case(int id) {
		this.id = id;
	}

	public Case(int id, int n, int s, int p, List<Integer> g) {
		super();
		this.id = id;
		this.n = n;
		this.s = s;
		this.p = p;
		this.g = g;
	}

	public String solve() {
		int res = 0;
		for (int googler : g) {
			int b = googler / 3;
			boolean div = googler % 3 == 0;
			if (b >= p) {
				res++;
				continue;
			}
			if (p == b+1) {
				if (div && s > 0 && b > 0) {
					res++;
					s--;
					continue;
				}
				if (!div) {
					res++;
					continue;
				}
			}
			if (p == b+2) {
				if (3*b+2 == googler && s > 0) {
					res++;
					s--;
				}
			}
		}
		return String.valueOf(res);
	}

	@Override
	public void run() {
		output = solve();
	}

	@Override
	public String toString() {
		return "Case #" + id + ": " + output;
	}

}
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;


public class CodeJam_B {
	public static void main(String[] args){
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		try{
			String countString = reader.readLine();
			int count = Integer.parseInt(countString);
			for(int i=0;i<count;i++){
				String line = reader.readLine();
				StringTokenizer stringTokenizer = new StringTokenizer(line);
			
				int totalCount = stringTokenizer.countTokens();
				int n = -1;
				int p = -1;
				int s = -1;
				int scoreArray[] = null;
				for(int j=0;j<totalCount;j++){
					String temp = stringTokenizer.nextToken();
					int value = Integer.parseInt(temp);
					if(j == 0){
						n = value;
						scoreArray = new int[n];
					}else if(j == 1){
						s = value;
					}else if(j ==2){
						p = value;
					}else{
						scoreArray[j-3] = value;
					}
				}

				Arrays.sort(scoreArray);
				
				int usedSurprises = 0;
				int possibleResult  = 0;
				if(p == 0){
					possibleResult = scoreArray.length;
				}else{
					int minAcceptableValue = (p * 3) - 2;
					int minSurprisedAcceptableValue = minAcceptableValue -2;

					for(int k=scoreArray.length-1;k>=0;k--){
						int temp = scoreArray[k];
						if(temp >= minAcceptableValue){
							possibleResult++;
							continue;
						}else if(temp < minAcceptableValue && temp >= minSurprisedAcceptableValue){
							if(usedSurprises < s){
								if(minSurprisedAcceptableValue > 0){
									possibleResult++;
									usedSurprises++;
								}
							}else{
								//out of surprises
							}
						}else{
							//not possible to get a score here
						}
					}
				}
				System.out.println("Case #"+(i+1)+": "+possibleResult);
				//System.out.println("Total Possbile Triplets : "+possibleResult);

			}   			
		}	
		catch (IOException ioe){
			System.out.println("An unexpected error occured.");
		}
	}



}
