Is this joke any good.?

[arlanymor]

An Irishman went for a job.The boss said that he wanted the man to do a small test and handed him a piece of paper and a pen and asked him to represent the number 9 on the piece of paper .The Irishman drew three trees.The boss looked at the trees and said that's not correct.The Irishman said look ! one tree is tree,two trees are six,tree trees are 9.The boss said ok now write 99.The Irishman made a dirty mark on the trunk of each tree and said i have done it.Boss said what's that?.Irishman replied !, one dirty tree is 33, two dirty trees are 66 and three dirty trees are 99.Finally the boss said now represent 100.The Irishman drew a dog turd at the base of each dirty tree.Boss said how does that represent 100.Irishman said one dirty tree and a turd is 33 1/3 two dirty trees and a turd is 66 2/3 and tree dirty trees and a turd =100.He got the job