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;
    }
}


package fixjava;

import java.util.Collection;
import java.util.Comparator;


/**
 * Typed 3-tuple
 */
public class Tuple3<A, B, C> {

	private final A field0;
	private final B field1;
	private final C field2;

	public A getField0() {
		return field0;
	}

	public B getField1() {
		return field1;
	}

	public C getField2() {
		return field2;
	}

	public Tuple3(final A field0, final B field1, final C field2) {
		this.field0 = field0;
		this.field1 = field1;
		this.field2 = field2;
	}

	/** Convenience method so type params of pair don't have to be specified: just do Tuple3.make(a, b, c) */
	public static <A, B, C> Tuple3<A, B, C> make(A field0, B field1, C field2) {
		return new Tuple3<A, B, C>(field0, field1, field2);
	}

	// ---------------------------------------------------------------------------------------------------

	private static final boolean objEquals(Object p1, Object p2) {
		if (p1 == null)
			return p2 == null;
		return p1.equals(p2);
	}

	@Override
	public final boolean equals(Object o) {
		if (!(o instanceof Tuple3<?, ?, ?>)) {
			return false;
		} else {
			final Tuple3<?, ?, ?> other = (Tuple3<?, ?, ?>) o;
			return objEquals(getField0(), other.getField0()) && objEquals(getField1(), other.getField1())
					&& objEquals(getField2(), other.getField2());
		}
	}

	@Override
	public int hashCode() {
		int h0 = getField0() == null ? 0 : getField0().hashCode();
		int h1 = getField1() == null ? 0 : getField1().hashCode();
		int h2 = getField2() == null ? 0 : getField2().hashCode();
		return h0 + 53 * h1 + 97 * h2;
	}

	// ---------------------------------------------------------------------------------------------------

	public static <A extends Comparable<A>, B, C> Comparator<Tuple3<A, B, C>> comparatorOnField0(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return o1.getField0().compareTo(o2.getField0());
			}
		};
	}

	public static <A extends Comparable<A>, B, C> Comparator<Tuple3<A, B, C>> comparatorOnField0Rev(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return -o1.getField0().compareTo(o2.getField0());
			}
		};
	}

	public static <A, B extends Comparable<B>, C> Comparator<Tuple3<A, B, C>> comparatorOnField1(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return o1.getField1().compareTo(o2.getField1());
			}
		};
	}

	public static <A, B extends Comparable<B>, C> Comparator<Tuple3<A, B, C>> comparatorOnField1Rev(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return -o1.getField1().compareTo(o2.getField1());
			}
		};
	}

	public static <A, B, C extends Comparable<C>> Comparator<Tuple3<A, B, C>> comparatorOnField2(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return o1.getField2().compareTo(o2.getField2());
			}
		};
	}

	public static <A, B, C extends Comparable<C>> Comparator<Tuple3<A, B, C>> comparatorOnField2Rev(Collection<Tuple3<A, B, C>> tupleCollection) {
		return new Comparator<Tuple3<A, B, C>>() {
			@Override
			public int compare(Tuple3<A, B, C> o1, Tuple3<A, B, C> o2) {
				return -o1.getField2().compareTo(o2.getField2());
			}
		};
	}
	
	// ---------------------------------------------------------------------------------------------------

	@Override
	public String toString() {
		return "(" + getField0() + ", " + getField1() + ", " + getField2() + ")";
	}
}
