Problem Description

Given a time in the 24-hour format $H:M$, output the time that is 45 minutes earlier in the 24-hour format.

Input Format

The first line contains two positive integers $H$ and $M$.

Output Format

Output two integers representing the time 45 minutes earlier.

Sample Input and Output

Sample Input #1

10 10

Sample Output #1

9 25

Sample Input #2

0 30

Sample Output #2

23 45

Sample Input #3

23 40

Sample Output #3

22 55

Notes

[Data Range and Constraints]

• For $100\%$ of the data, $0 \le H \le 23$ and $0 \le M \le 59$.

[Hint and Attribution]

Translated from COCI 2009-2010 CONTEST #7 Task 1 SPAVANAC.

This problem is scored according to the original COCI settings, with a maximum score of $30$.

见题面 Input 部分

见题面 Output 部分