#! /usr/bin/env python
# -*- coding: UTF-8 -*-

""" Exp: programma per calcolare un numero esponenziale fatto da Frafra
             (francesco.it@gmail.com)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
"""

# Descrizione del file
__module_name__ = "Exp"
__module_version__ = __revision__ = versione = "1.0"
__module_description__ = "Calcola un numero esponenziale"

x = 0
while not x:
    # Input
    num = raw_input("Inserisci un numero esponenziale: ")

    # Calcolo
    try:
        if "exp" in num:
            num = num.split("exp")
        elif "e" in num:
            num = num.split("e")
        for x in range(len(num)):
            if "," in num[x]:
                num[x] = num[x].replace(",", ".")
            if "." in num[x]:
                num[x] = float(num[x])
            else:
                num[x] = int(num[x])
        x = 1

    # Eccezione
    except:
        print "Formato non valido. Es:"
        print "45e-2, 7.8exp2,4 e simili."

# Visualizzazione
print "Risolto è: " + str(num[0]*10**num[1])