a, b, s = input().split()

a = int(a)
b = int(b)
c = float(s[3:]) - 9
t = a*60 + b + c*60
print(t)

h = int(t//60%24)
m = int(t%60 + 0.1)

print('{0:02}:{1:02}'.format(h, m))