Please explain the answer and show steps

Bob y The following is the Diffie-Hellman protocol, Alice a* (mod p) ay (mod p) K=a* (mod p) K=(mod p) Alice and Bob decide to make a small change to the protocol: instead of sending af (mod p) and a' (mod p), they send each other xa (mod p) and ya (mod p). Alice x"(mod) y: (mod p) K = (xy)(mod p) K= (y)" (mod) Then Alice and Bob use K = (xy)" (mod p) as the shared common key. Bob X (a)Can Eve break the system without finding the secret numbers x or y? (b)Can Eve find the secret numbers x and y