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3 3453434 1;1125070863 2;1125074577 4;1125346343
my (undef, $salt, @post, @time) = (<FILE>, <FILE>, (), ()); ($post[$#post + 1], $time[$#time + 1]) = split(/;/) while (<FILE>); print "@post\n@time\n";
1;1125070863 2;1125074577 4;1125346343
1 2 4 1125070863 1125074577 1125346343