• Source 
    1. import java.util.Scanner;
    2.  
    3. public class Main {
    4.  
    5. 	public static void main(String[] args) {
    6. 		Scanner sc = new Scanner(System.in);
    7.  
    8. 		int H = sc.nextInt();
    9. 		int M = sc.nextInt();
    10. 		sc.close();
    11.  
    12. 		int time = H*60+M-45;
    13.  
    14. 		if(H==0) {
    15. 			time = 24*60+M-45;
    16. 			System.out.println(23+" "+(time%60));
    17. 		}else if(H>0 && H<=23){
    18.  
    19. 			System.out.println(time/60+" "+time%60);
    20. 		}
    21.  
    22. 	}
    23.  
    24. }