import decimal

from decimal import *
getcontext().prec = 30

som = Decimal ('1')
x = Decimal ('1')
n = Decimal ('2')

print (n)

while x < 10000000.1:
 x = Decimal (x) + Decimal ('1')
 som = Decimal (som) + Decimal ('1') / (Decimal (x) ** Decimal (n))

print (x)
print ('{:12.10f}'.format(som))

while x < 20000000.1:
 x = Decimal (x) + Decimal ('1')
 som = Decimal (som) + Decimal ('1') / (Decimal (x) ** Decimal (n))

print (x)
print ('{:12.10f}'.format(som))

while x < 30000000.1:
 x = Decimal (x) + Decimal ('1')
 som = Decimal (som) + Decimal ('1') / (Decimal (x) ** Decimal (n))

print (x)
print ('{:12.10f}'.format(som))

while x < 40000000.1:
 x = Decimal (x) + Decimal ('1')
 som = Decimal (som) + Decimal ('1') / (Decimal (x) ** Decimal (n))

print (x)
print ('{:12.10f}'.format(som))

while x < 50000000.1:
 x = Decimal (x) + Decimal ('1')
 som = Decimal (som) + Decimal ('1') / (Decimal (x) ** Decimal (n))

print (x)
print ('{:12.10f}'.format(som))