
#-*-coding:utf-8-*-
'''

Tip 6. Inch - CM  exchange

'''

aFloatStr = raw_input("Please input Inch:\n")
aFloatInch = float(aFloatStr)
aFloatCM = round(aFloatInch * 2.54,2)

print("%f Inch = %.4f CM" % (aFloatInch,aFloatCM))





