Problem 1002 what if no number is given

fcxxzux2 | 2014-12-13 19:08:47Author
in another word,no 1,no 2,no 3,no 4 is that a Yes or a No?
admin | 2014-12-13 19:09:50# 1
RE:what if no number is given
Yes
1018596027 | 2014-12-13 20:27:40# 2
RE:what if no number is given
it means a1 = 0, a2 = 0, a3 = 0, a4 = 0 is Yes?
fcxxzux2 | 2014-12-13 20:28:59# 3
RE:what if no number is given
My English sucks! and 0 0 0 0 is Yes