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<?php function x($n) { $z="printf"; for($i = 1; $i <= $n; $i++) { $n % $i == 0 && $i != $n ? $f[]=$i & $z($i ): 0; } array_sum($f) == $n ? $z('P') : $z('I'); } x(28);
Output for git.master, git.master_jit, rfc.property-hooks
124714I

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