bonus1 = 100000 * 0.1
bonus2 = bonus1 + 100000 * 0.500075
bonus4 = bonus2 + 200000 * 0.5
bonus6 = bonus4 + 200000 * 0.3
bonus10 = bonus6 + 400000 * 0.15
i = int(raw_input('input gain:
'))
if i <= 100000:
bonus = i * 0.1
elif i <= 200000:
bonus = bonus1 + (i - 100000) * 0.075
elif i <= 400000:
bonus = bonus2 + (i - 200000) * 0.05
elif i <= 600000:
bonus = bonus4 + (i - 400000) * 0.03
elif i <= 1000000:
bonus = bonus6 + (i - 600000) * 0.015
else:
bonus = bonus10 + (i - 1000000) * 0.01
print 'bonus = ',bonus