#importing modules
import math
from __future__ import division
#Variable declaration
p = 4.3*10**-8; #polarization(C/m**2)
E = 1000; #electric field(V/m)
epsilon_0 = 8.85*10**-12; #permittivity of free space(F/m)
#Calculation
epsilon_r = 1+(p/(epsilon_0*E)); #relative permittivity
epsilon_r = math.ceil(epsilon_r*10**2)/10**2; #rounding off to 2 decimals
#Result
print "relative permittivity is",epsilon_r