start_time = 9
a = 8
b = 12
ans = 0

for i in range(max(a,b),(a*b)+1):
    if i % a == 0 and i % b == 0:
        ans = i
        break

if ans >= 60:
    ans -= 60
    start_time += 1

print(f"{start_time}시 {ans}분")