Problem Description

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

Input Format

The first line contains two integers $H, M$.

Output Format

Output two integers representing the time $45$ minutes earlier.

10 10

9 25

0 30 

23 45

23 40

22 55

Hint

【Constraints】

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

【Hints and Notes】

This problem is translated from COCI 2009-2010 CONTEST #7 Task 1 SPAVANAC.

The score for this problem follows the original COCI settings, with a full score of $30$.

Translated by ChatGPT 5