rate = int(eval(input()))

k = '1'

if (400 <= rate < 600):

    k = '8'

elif (600 <= rate < 800):

    k = '7'

elif (800 <= rate < 1000):

    k = '6'

elif (1000 <= rate < 1200):

    k = '5'

elif (1200 <= rate < 1400):

    k = '4'

elif (1400 <= rate < 1600):

    k = '3'

elif (1600 <= rate < 1800):

    k = '2'

elif (1800 <= rate < 2000):

    k = '1'

print(k)

def resolve():

    rate = int(eval(input()))

    if rate < 600:

        print('8')

    elif rate < 800:

        print('7')

    elif rate < 1000:

        print('6')

    elif rate < 1200:

        print('5')

    elif rate < 1400:

        print('4')

    elif rate < 1600:

        print('3')

    elif rate < 1800:

        print('2')

    else:

        print('1')



if __name__ == "__main__":

    resolve()
rate = int(eval(input()))
k = "1"
if 400 <= rate < 600:
    k = "8"
elif 600 <= rate < 800:
    k = "7"
elif 800 <= rate < 1000:
    k = "6"
elif 1000 <= rate < 1200:
    k = "5"
elif 1200 <= rate < 1400:
    k = "4"
elif 1400 <= rate < 1600:
    k = "3"
elif 1600 <= rate < 1800:
    k = "2"
elif 1800 <= rate < 2000:
    k = "1"
print(k)

def resolve():
    rate = int(eval(input()))
    if rate < 600:
        print("8")
    elif rate < 800:
        print("7")
    elif rate < 1000:
        print("6")
    elif rate < 1200:
        print("5")
    elif rate < 1400:
        print("4")
    elif rate < 1600:
        print("3")
    elif rate < 1800:
        print("2")
    else:
        print("1")


if __name__ == "__main__":
    resolve()

-rate = int(eval(input())) -k = "1" -if 400 <= rate < 600: -    k = "8" -elif 600 <= rate < 800: -    k = "7" -elif 800 <= rate < 1000: -    k = "6" -elif 1000 <= rate < 1200: -    k = "5" -elif 1200 <= rate < 1400: -    k = "4" -elif 1400 <= rate < 1600: -    k = "3" -elif 1600 <= rate < 1800: -    k = "2" -elif 1800 <= rate < 2000: -    k = "1" -print(k) +def resolve(): +    rate = int(eval(input())) +    if rate < 600: +        print("8") +    elif rate < 800: +        print("7") +    elif rate < 1000: +        print("6") +    elif rate < 1200: +        print("5") +    elif rate < 1400: +        print("4") +    elif rate < 1600: +        print("3") +    elif rate < 1800: +        print("2") +    else: +        print("1") + + +if __name__ == "__main__": +    resolve()