H, A = list(map(int, input().split()))



x = 0

while True:

  if H <= 0:

    break

  if H > 0:

    H -= A

    x += 1

print(x)
H, A = list(map(int, input().split()))



print(((H+A-1)//A))
H, A = list(map(int, input().split()))
x = 0
while True:
    if H <= 0:
        break
    if H > 0:
        H -= A
        x += 1
print(x)

H, A = list(map(int, input().split()))
print(((H + A - 1) // A))

-x = 0 -while True: -    if H <= 0: -        break -    if H > 0: -        H -= A -        x += 1 -print(x) +print(((H + A - 1) // A))