import java.util.Scanner;
class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
for (int t = 0; t < T; t++) {
int N = sc.nextInt();
System.out.println("Case " + (t + 1) + ":");
for (int x = 0; x < N; x++) {
int K = sc.nextInt();
if(K<6) {
System.out.println(K+1);
}
}
}
}
}