import math  
v = float(input("Input wind speed in kilometers/hour: "))  
t = float(input("Input air temperature in degrees Celsius: "))  
wci = 13.12 + 0.6215*t -  11.37*math.pow(v, 0.16) + 0.3965*t*math.pow(v, 0.16)  
print("The wind chill index is", int(round(wci, 0)))