# -*- coding: utf-8 -*-
print('hola ' + 'hola') #concatenar

print('programdor ' *3)

#manejo de variables
pi = 3.1416
radio = 3
area = pi * radio **2

print(area)

print('')
print('------------------------------')
print('')

print('cual es tu nombre') 
name = str(input()) #entrada de texto
print('Hola ' + name + '!')