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 jp.funnything.competition.util;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.commons.io.IOUtils;

public class AnswerWriter {
    private static final String DEFAULT_FORMAT = "Case #%d: %s\n";

    private final BufferedWriter _writer;
    private final String _format;

    public AnswerWriter( final File output , final String format ) {
        try {
            _writer = new BufferedWriter( new FileWriter( output ) );
            _format = format != null ? format : DEFAULT_FORMAT;
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _writer );
    }

    public void write( final int questionNumber , final Object result ) {
        write( questionNumber , result.toString() , true );
    }

    public void write( final int questionNumber , final String result ) {
        write( questionNumber , result , true );
    }

    public void write( final int questionNumber , final String result , final boolean tee ) {
        try {
            final String content = String.format( _format , questionNumber , result );

            if ( tee ) {
                System.out.print( content );
                System.out.flush();
            }

            _writer.write( content );
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }
}
