crazy

ther were two very best friennds.one was called crazy and the other one was called stupid.as they were walking one day they came across an old man singing.crazy greeted him and walked away.the old man shouted” am not crazy”.crazy then said”ofcourse you are not i am crazy” the old man said ” are you stupid?”crazy said”i am not he is stupid”then the old man said” you must be stupid and crazy!” they clapped and said” yes we are you are right grandpa” the old man was speechless and just fainted