import java.util.*;
public class QuestionF {
public static void main(String [] args) {
Scanner scn = new Scanner(System.in);
int n=scn.nextInt();
for(int x=1;x<=n;x++) {
int hour = scn.nextInt();
int min = scn.nextInt();
min = min - 45;
if(min < 0) {
min = min+60;
hour--;
if(hour < 0)
hour += 24;
}
System.out.println("Case #"+x +": "+hour +" "+min);
}
}
}