# File: 06_recursion_py
# Author: Mirko Pirona
# Dates: 27.11.2018

# Saisie au clavier

# name =input ('Votre nom:\n')
# print('hello', name)

# Thérorème de pythagore
import math
print('calcul de l hypothénus')


a =float(input('a: '))
b =float(input('b: '))

c =math.sqrt(a**2 + b**2)
print('c:', c)
      
a =float(a)
print(a)
print(a*2)