#!/usr/bin python3

# -*- coding: utf-8 -*-



x = int(eval(input()))

if x<600:

    print((8))

elif x<800:

    print((7))

elif x<1000:

    print((6))

elif x<1200:

    print((5))

elif x<1400:

    print((4))

elif x<1600:

    print((3))

elif x<1800:

    print((2))

else:

    print((1))

#!/usr/bin python3

# -*- coding: utf-8 -*-



x = int(eval(input()))

print((10-x//200))

#!/usr/bin python3
# -*- coding: utf-8 -*-
x = int(eval(input()))
if x < 600:
    print((8))
elif x < 800:
    print((7))
elif x < 1000:
    print((6))
elif x < 1200:
    print((5))
elif x < 1400:
    print((4))
elif x < 1600:
    print((3))
elif x < 1800:
    print((2))
else:
    print((1))

#!/usr/bin python3
# -*- coding: utf-8 -*-
x = int(eval(input()))
print((10 - x // 200))

-if x < 600: -    print((8)) -elif x < 800: -    print((7)) -elif x < 1000: -    print((6)) -elif x < 1200: -    print((5)) -elif x < 1400: -    print((4)) -elif x < 1600: -    print((3)) -elif x < 1800: -    print((2)) -else: -    print((1)) +print((10 - x // 200))