Amirul "hey, Lukman did you know this answer" Lukman "yes, the answer is X push Y, Y fall down, Y want someone's help, but there's nobady want's to help Y so the answer is (X/2)" Amirul "why is (X/2) but not (Y/2)" Lukman"you see, X have two legs and Y only have one lag, you will see who is the winner of the war" Amirul"emmm...... X?" Lukman"CORRECT!!!!!!" Amirul"ok, I see now, thak you Lukman"