import math





def main():

    hp, attack = (int(i) for i in input().rstrip().split(' '))

    print((str(math.ceil(hp / attack))))





if __name__ == '__main__':

    main()



import math





def main():

    hp, attack = (int(i) for i in input().rstrip().split(' '))

    ans = str(math.ceil(hp / attack))

    print(ans)





if __name__ == '__main__':

    main()

import math


def main():
    hp, attack = (int(i) for i in input().rstrip().split(" "))
    print((str(math.ceil(hp / attack))))


if __name__ == "__main__":
    main()

import math


def main():
    hp, attack = (int(i) for i in input().rstrip().split(" "))
    ans = str(math.ceil(hp / attack))
    print(ans)


if __name__ == "__main__":
    main()

-    print((str(math.ceil(hp / attack)))) +    ans = str(math.ceil(hp / attack)) +    print(ans)