Hi there! I am back from SIS(LKSh)!↵
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<s>Tomorrow</s> <b>Today</b> at [19:00 MSK](http://www.timeanddate.com/worldclock/fixedtime.html?msg=SRM+664&iso=20150801T1600&ah=2&am=0) will be held [Topcoder SRM 664](http://community.topcoder.com/tc?module=MatchDetails&rd=16513).↵
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GL && HF↵
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Let's discuss problems here!↵
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Also, congrats for all IOI winners!↵
↵
<s>Tomorrow</s> <b>Today</b> at [19:00 MSK](http://www.timeanddate.com/worldclock/fixedtime.html?msg=SRM+664&iso=20150801T1600&ah=2&am=0) will be held [Topcoder SRM 664](http://community.topcoder.com/tc?module=MatchDetails&rd=16513).↵
↵
GL && HF↵
↵
Let's discuss problems here!↵
↵
Also, congrats for all IOI winners!↵