# coding: UTF-8
import sys
l1lll1_tv_ = sys.version_info [0] == 2
l1l1_tv_ = 2048
l1lll_tv_ = 7
def l11l1_tv_ (ll_tv_):
	global l1ll11_tv_
	l1l1ll_tv_ = ord (ll_tv_ [-1])
	l1l11_tv_ = ll_tv_ [:-1]
	l1l_tv_ = l1l1ll_tv_ % len (l1l11_tv_)
	l11_tv_ = l1l11_tv_ [:l1l_tv_] + l1l11_tv_ [l1l_tv_:]
	if l1lll1_tv_:
		l111l_tv_ = unicode () .join ([unichr (ord (char) - l1l1_tv_ - (l1l1l_tv_ + l1l1ll_tv_) % l1lll_tv_) for l1l1l_tv_, char in enumerate (l11_tv_)])
	else:
		l111l_tv_ = str () .join ([chr (ord (char) - l1l1_tv_ - (l1l1l_tv_ + l1l1ll_tv_) % l1lll_tv_) for l1l1l_tv_, char in enumerate (l11_tv_)])
	return eval (l111l_tv_)