'''
Created on Jan 7, 2018

@author: satklichov
'''


#!/usr/bin/python
def KelvinToFahrenheit(Temperature):
   assert (Temperature >= 0), "Colder than absolute zero!"
   return ((Temperature - 273) * 1.8) + 32


print (KelvinToFahrenheit(273))
print (int(KelvinToFahrenheit(505.78)))
print (KelvinToFahrenheit(-5))
