x = int(eval(input()))



if (400 <= x) and (x <= 599):

    print((8))

elif (600 <= x) and (x <= 799):

    print((7))

elif (800 <= x) and (x <= 999):

    print((6))

elif (1000 <= x) and (x <= 1199):

    print((5))

elif (1200 <= x) and (x <= 1399):

    print((4))

elif (1400 <= x) and (x <= 1599):

    print((3))

elif (1600 <= x) and (x <= 1799):

    print((2))

elif (1800 <= x) and (x <= 1999):

    print((1))
x = int(eval(input()))



rl = 400



for i in range(8, 0, -1):

    if (rl <= x) and (x <= rl+199):

        print(i)

    rl += 200
x = int(eval(input()))
if (400 <= x) and (x <= 599):
    print((8))
elif (600 <= x) and (x <= 799):
    print((7))
elif (800 <= x) and (x <= 999):
    print((6))
elif (1000 <= x) and (x <= 1199):
    print((5))
elif (1200 <= x) and (x <= 1399):
    print((4))
elif (1400 <= x) and (x <= 1599):
    print((3))
elif (1600 <= x) and (x <= 1799):
    print((2))
elif (1800 <= x) and (x <= 1999):
    print((1))

x = int(eval(input()))
rl = 400
for i in range(8, 0, -1):
    if (rl <= x) and (x <= rl + 199):
        print(i)
    rl += 200

-if (400 <= x) and (x <= 599): -    print((8)) -elif (600 <= x) and (x <= 799): -    print((7)) -elif (800 <= x) and (x <= 999): -    print((6)) -elif (1000 <= x) and (x <= 1199): -    print((5)) -elif (1200 <= x) and (x <= 1399): -    print((4)) -elif (1400 <= x) and (x <= 1599): -    print((3)) -elif (1600 <= x) and (x <= 1799): -    print((2)) -elif (1800 <= x) and (x <= 1999): -    print((1)) +rl = 400 +for i in range(8, 0, -1): +    if (rl <= x) and (x <= rl + 199): +        print(i) +    rl += 200