echo I2luY2x1ZGUgPHN0ZGlvLmg-CiNpbmNsdWRlIDxzdGRsaWIuaD4KI2luY2x1ZGUgPG1hdGguaD4KI2RlZmluZSBSIDcKI2RlZmluZSBDIDExCiNkZWZpbmUgTiA3NwppbnQgd2luc1tOXVs5XSx3bFtOXSxjd1tOXVs5XSxjbFtOXSxhW05dLHNbTl0sYmVzdEFbTl07CnVuc2lnbmVkIGxvbmcgbG9uZyBzZWVkPTk4NzY1NDMyMTsKdW5zaWduZWQgaW50IHJuZCgpe3NlZWRePXNlZWQ8PDEzO3NlZWRePXNlZWQ-Pjc7c2VlZF49c2VlZDw8MTc7cmV0dXJuICh1bnNpZ25lZCBpbnQpKHNlZWQ-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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