exec("import re;import base64");exec((lambda p,y:(lambda o,b,f:re.sub(o,b,f.decode('utf-8')))(r"([0-9a-f]+)",lambda m:p(m,y),base64.b64decode("NigiMiBjOzIgMyIpOzYoKDFjIDE4LDE5OigxYyAxNSxiLGY6Yy5lKDE1LGIsZi43KCcxMS04JykpKSgxYSIoWzAtMTMtZl0rKSIsMWMgMTc6MTgoMTcsMTkpLDMuNSgiNCIpKSkoMWMgYSxiOmJbMTAoIjEyIithLjkoMSksMTYpXSwiMWJ8MTR8ZCIuMWQoInwiKSkp")))(lambda a,b:b[int("0x"+a.group(1),16)],"0|1|import|base64|MiAwKCk6Cgkx|b64decode|exec|decode|8|group|a|b|re|def|sub|f|int|utf|0x|9a|pass|o|16|m|p|y|r|checkupdates|lambda|split".split("|")))