import sys
sys.modules['os']=None
sys.modules['os.path']=None
sys.modules['pprint']=None
sys.modules['builtins']=None
sys.modules['shutil']=None
sys.modules['subprocess']=None
sys.modules['jinja2']=None
sys.modules['subprocess']=None
sys.modules['subprocess']=None
sys.modules['yaml']=None
sys.modules['sys']=None
#STOP 

print "hello world"
    