import datetime

yuki_list = list(map(int, input().split()))
n = yuki_list[0]
H = yuki_list[1]
M = yuki_list[2]
t = yuki_list[3]

dt_f = datetime.timedelta(hours=H,minutes=M)
sleep_time = (n-1) * t
dt_s = datetime.timedelta(minutes=sleep_time)
x = dt_f + dt_s
a = str(x)
aa = a.split(':')


print(aa[0],'\n',aa[1])