h,a = list(map(int,input().split()))

print(((h + a - 1) // a))
h,a = list(map(int,input().split()))

cnt = 0

while h > 0:

    h -= a

    cnt += 1

print(cnt)

h, a = list(map(int, input().split()))
print(((h + a - 1) // a))

h, a = list(map(int, input().split()))
cnt = 0
while h > 0:
    h -= a
    cnt += 1
print(cnt)

-print(((h + a - 1) // a)) +cnt = 0 +while h > 0: +    h -= a +    cnt += 1 +print(cnt)