import math

def f(n):
    x = n/1000.0
    if x > 10:
        x = 10 + math.log(x**3)
    return min(100, max(1, int(x)))

for i in [1,5,10,500,1000,5000,10000,50000,100000,500000,1000000,10000000]:
    print("%d --- %d"%(i,f(i)))