import itertools

import math

import fractions

import functools

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

print((math.ceil(h / a)))
h, a = list(map(int, input().split()))



print(((h+a-1)//a))
import itertools
import math
import fractions
import functools

h, a = list(map(int, input().split()))
print((math.ceil(h / a)))

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

-import itertools -import math -import fractions -import functools - -print((math.ceil(h / a))) +print(((h + a - 1) // a))