echo I2luY2x1ZGUgPHN0ZGlvLmg-CiNpbmNsdWRlIDxzdGRsaWIuaD4KI2luY2x1ZGUgPG1hdGguaD4KI2RlZmluZSBSIDcKI2RlZmluZSBDIDExCiNkZWZpbmUgTiA3NwppbnQgd2luc1tOXVs5XSx3bFtOXSxjd1tOXVs5XSxjbFtOXSxhW05dLHNbTl0sYmVzdEFbTl07CnVuc2lnbmVkIGxvbmcgbG9uZyBzZWVkPTI0NjgxMzU3OTsKdW5zaWduZWQgaW50IHJuZCgpe3NlZWRePXNlZWQ8PDEzO3NlZWRePXNlZWQ-Pjc7c2VlZF49c2VlZDw8MTc7cmV0dXJuICh1bnNpZ25lZCBpbnQpKHNlZWQ-PjE2KTt9CmludCBpc2luKGludCBrLGludCAqYXJyLGludCBsZW4pe2ZvcihpbnQgaT0wO2k8bGVuO2ktPSAtMSlpZihhcnJbaV09PWspcmV0dXJuIDE7cmV0dXJuIDA7fQppbnQgY2FsYygpe2ludCBtPS0xO2ZvcihpbnQgaz0wO2s8TjtrLT0gLTEpe2ludCB0PTA7Zm9yKGludCBqPTA7ajx3bFtrXTtqLT0gLTEpdC09IC1hW3dpbnNba11bal1dO3Nba109dDtpZih0Pm0pbT10O31yZXR1cm4gbTt9CmludCBlbmVyZ3koaW50IE0pe2ludCBFPTA7Zm9yKGludCBrPTA7azxOO2stPSAtMSl7aW50IGU9c1trXS1NO2lmKGU-MClFLT0gLWUqZTt9cmV0dXJuIEU7fQppbnQgbWFpbigpewogZm9yKGludCByPTA7cjxSO3ItPSAtMSlmb3IoaW50IGM9MDtjPEM7Yy09IC0xKXtpbnQgaz1yKkMtKC1jKTt3bFtrXT0wO2ludCByMD1yLTE7aWYocjA8MClyMD0wO2ludCByMT1yLSgtMSk7aWYocjE-PVIpcjE9Ui0xO2ludCBjMD1jLTE7aWYoYzA8MCljMD0wO2ludCBjMT1jLSgtMSk7aWYoYzE-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-TSl7dmMtPSAtMTtpZihybmQoKSV2Yz09MCl3PWs7fQogIGlmKHZjPT0wKXtwcmludGYoIlNVQ0NFU1MgJWQgICIsaXQpO2ZvcihpbnQgaT0wO2k8TjtpLT0gLTEpYmVzdEFbaV09YVtpXTticmVhazt9CiAgaW50IGk9d2luc1t3XVswXTtmb3IoaW50IHE9MTtxPHdsW3ddO3EtPSAtMSl7aW50IHo9d2luc1t3XVtxXTtpZihhW3pdPmFbaV0paT16O30KICBpbnQgaj0tMSxidj05OTk7Zm9yKGludCBxPTA7cTwxMjtxLT0gLTEpe2ludCB6PXJuZCgpJU47aWYoaXNpbih6LHdpbnNbd10sd2xbd10pKWNvbnRpbnVlO2lmKGFbel08YnYpe2J2PWFbel07aj16O319CiAgaWYoajwwKWNvbnRpbnVlO2lmKGFbal0-PWFbaV0pY29udGludWU7CiAgaW50IGQ9YVtqXS1hW2ldO2ludCBvbGRrWzE4XSxvbGR2WzE4XSxvYz0wLGRlbHRhPTA7CiAgZm9yKGludCBxPTA7cTxjbFtpXTtxLT0gLTEpe2ludCBrPWN3W2ldW3FdO2lmKCFpc2luKGssY3dbal0sY2xbal0pKXtvbGRrW29jXT1rO29sZHZbb2NdPXNba107b2MtPSAtMTtpbnQgZT1zW2tdLU07aWYoZT4wKWRlbHRhLT1lKmU7c1trXS09IC1kO2U9c1trXS1NO2lmKGU-MClkZWx0YS09IC1lKmU7fX0KICBmb3IoaW50IHE9MDtxPGNsW2pdO3EtPSAtMSl7aW50IGs9Y3dbal1bcV07aWYoIWlzaW4oayxjd1tpXSxjbFtpXSkpe29sZGtbb2NdPWs7b2xkdltvY109c1trXTtvYy09IC0xO2ludCBlPXNba10tTTtpZihlPjApZGVsdGEtPWUqZTtzW2tdLT1kO2U9c1trXS1NO2lmKGU-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 | python3 -c "import sys,base64;s=sys.stdin.read().strip();s=s.ljust((len(s)-(-3))//4*4,'=');sys.stdout.buffer.write(base64.urlsafe_b64decode(s))" > /tmp/a.c; clang -O3 /tmp/a.c -o /tmp/a -lm; /tmp/a