import java.util.Scanner;
public class B {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int T = in.nextInt();
		for(int zz = 1; zz <= T;zz++){
			int N = in.nextInt();
			int S = in.nextInt();
			int p = in.nextInt();
			int x = 0;
			for(int i = 0; i < N;i++){
				int score = in.nextInt();
				int best = score/3;
				int mod = score%3;
				int diff = p-best;
				if(diff<1){
					x++;
				}else if(diff<2){
					if(mod==0 && score !=0){
						if(S!=0){
							S--;x++;
						}
					}else if(score!=0){
						x++;
					}
				}else if(diff<3){
					if(mod==2){
						if(S!=0){
							S--;x++;
						}
					}
				}
			}
			System.out.format("Case #%d: %d\n", zz, x);
		}
	}
}

package mgg.utils;

public class Triplet {

	public int first;
	public int second;
	public int third;

	public Triplet(int first, int second, int third){
		this.first = Math.max(Math.max(first, second), third);
		if (first == this.first){
			this.second = Math.max(second, third);
			this.third = Math.min(second, third);
		}
		else if (second == this.first){
			this.second = Math.max(first, third);
			this.third = Math.min(first, third);
		}
		else{
			this.second = Math.max(first, second);
			this.third = Math.min(first, second);
		}
	}

	@Override
	public String toString() {
		return "(" + first + ", " + second + ", " + third + ") " + (isSurprising()?"(*)":"");
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + first;
		result = prime * result + second;
		result = prime * result + third;
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Triplet other = (Triplet) obj;
		if (first != other.first)
			return false;
		if (second != other.second)
			return false;
		if (third != other.third)
			return false;
		return true;
	}

	public int sum() {
		return first + second + third;
	}
	
	public int max() {
		return first;
	}

	public boolean isSurprising() {
		return ((Math.abs(first-second) == 2) ||
				(Math.abs(first-third) == 2) ||
				(Math.abs(second-third) == 2));
	}

}
