package contests.facebookHC;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.PriorityQueue;
import java.util.StringTokenizer;
/**
* Created by sherxon on 1/6/17.
*/
public class LazyLoading {
public static void main(String[] args) {
FastReader fastReader= new FastReader();
int n=fastReader.nextInt();
for (int i = 1; i <=n ; i++) {
int items=fastReader.nextInt();
int trips=0;
PriorityQueue<Integer> q= new PriorityQueue<>(items, (a, b)->b.compareTo(a));
for (int j = 0; j <items ; j++) {
int weight=fastReader.nextInt();
if(weight>49)trips++;
else q.add(weight);
}
int fs=q.size();
while (!q.isEmpty() && fs>0){
int max=q.peek();
int needed=(int)Math.ceil(50.0 / max);
fs-=needed;
q.poll();
if(fs>-1)
trips++;
}
System.out.println("Case #"+i + ": " + trips);
}
}
private static class FastReader {
BufferedReader bf;
StringTokenizer st;
public FastReader() {
bf=new BufferedReader(new InputStreamReader(System.in));
}
public String nextLine(){
String st="";
try {
st=bf.readLine();
} catch (IOException e) {
e.printStackTrace();
}
return st;
}
public String next(){
while (st==null || !st.hasMoreTokens()){
try {
st= new StringTokenizer(bf.readLine());
} catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}
public int nextInt(){
return Integer.parseInt(next());
}
}
}