SUMMER_Lab02_4.c

#include <stdio.h>
int main() {
	int H, M;
	scanf("%d %d", &H, &M);
	if (H == 0) {
		if (M < 45) {
			H = 23; M = M + 60 - 45;
			printf("%d %d", H, M);
		}
		else if (M >= 45) {
			M = M - 45;
			printf("%d %d", H, M);
		}
	}
	else if (H > 0) {
		if (M < 45) {
			H = H - 1; M = M + 60 - 45;
			printf("%d %d", H, M);
		}
		else if (M >= 45) {
			M = M - 45;
			printf("%d %d", H, M);
		}
	}
	return 0;
}