>>13252714easy, i found two solutions by guessing:
x=308953604217492332883902630039839674971328651339130863400053269796506404070555998
y=73750263588259999654395623130450949650985959937943941992566274943274449268111158
z=8747225355857394515722505204742780305633075116323227237242875986756846935544072
also
x=15602157012983362810637082817011903586052096892626108601702690124723573405563077899
y=3724388311207129982546978968087772957374790976866169070624596884635359688039613479
z=441734880470798423043986512839510405434470293374322975480765237331220770244975636