PROGRAMMING:Time Difference
What is the time difference between 10:30 and 11:45?
Your program reads two time spots and prints the time difference between them, in terms of hours and minutes.
### Input Format
Two time spots, in 24-hour, each is represented as two numbers, as "hour minute". The second time spot is later than the first and both are within the same day.
### Output Format
Two numbers represent the time difference. The first is the hours in the difference, while the second is the minutes.
### Sample Input
```in
10 30 11 45
```
### Sample Output
```out
1 15
```
answer：If there is no answer, please comment
Your program reads two time spots and prints the time difference between them, in terms of hours and minutes.
### Input Format
Two time spots, in 24-hour, each is represented as two numbers, as "hour minute". The second time spot is later than the first and both are within the same day.
### Output Format
Two numbers represent the time difference. The first is the hours in the difference, while the second is the minutes.
### Sample Input
```in
10 30 11 45
```
### Sample Output
```out
1 15
```
answer：If there is no answer, please comment