#35738: 妳那裡現在幾點了？
tw_time = int(input())us_time = tw_time - 15if us_time >= 0: print(us_time)else: print(us_time + 24)tw_time = int(input())us_time = tw_time - 15if us_time >= 0: print(us_time)else: print(us_time + 24)