I don't understand this yet.I'll have to re read it but here goes:-

In the Nootropian secret service spy "x" only knows the identity of spy "y" if "x" is divisible by "y".In one section there are 18 spies including section chief 700, who knows the identity of all the spies in her section One of her spies is known to 8 other spies in the section(counting the chief spy but not the spy himself)

In the Nootropian secret service spy "x" only knows the identity of spy "y" if "x" is divisible by "y".In one section there are 18 spies including section chief 700, who knows the identity of all the spies in her section One of her spies is known to 8 other spies in the section(counting the chief spy but not the spy himself)

**What is that spys code number**