time = input()
steps = int(input())
step_sec = int(input())

hour = int(time.split(":")[0])
minute = int(time.split(":")[1])
total_seconds = int(time.split(":")[2])

seconds_in_day = 86400
seconds_in_hour = 3600
seconds_in_minute = 60

total_seconds = (((hour*60)*60) + (minute * 60) + total_seconds) + (steps * step_sec)


days = total_seconds // seconds_in_day
total_seconds = total_seconds - (days * seconds_in_day)

hours = total_seconds // seconds_in_hour
total_seconds = total_seconds - (hours * seconds_in_hour)

minutes = total_seconds // seconds_in_minute
total_seconds = total_seconds - (minutes * seconds_in_minute)

print(f"Time Arrival: {hours:02d}:{minutes:02d}:{total_seconds:02d}")