PROGRAMMING:time difference
How many hours and minutes are there between 10:30 and 11:45?
You need to write a program, read in two times, calculate the time difference between them, and output the difference of hours and minutes.
##Input
Input two times, both expressed in 24-hour system, and each time is expressed in the form of "hour: minute". The second time must be later or the same than the first time, and must be in the same day.
##Output
Outputs two numbers representing the time difference between two times. The first number is the number of hours in the time difference and the second number is the number of minutes in the time difference.
##Input examples
```in
10:30 11:45
```
##Output example
```out
1 15
```
answer：If there is no answer, please comment
You need to write a program, read in two times, calculate the time difference between them, and output the difference of hours and minutes.
##Input
Input two times, both expressed in 24-hour system, and each time is expressed in the form of "hour: minute". The second time must be later or the same than the first time, and must be in the same day.
##Output
Outputs two numbers representing the time difference between two times. The first number is the number of hours in the time difference and the second number is the number of minutes in the time difference.
##Input examples
```in
10:30 11:45
```
##Output example
```out
1 15
```
answer：If there is no answer, please comment