Problem / game
First name
Yumeng
School
Kings' School Al Barsha
School's Twitter handle
KingsAlBarsha
Country
Age
11
File
0 2
0 A B 5
1 4
First 2+5+4+A=mutiple number of 4 if A=1
B=（1+5+2+4）÷ 4
So，B=3 ，A=1
check:(3+0+0+1)÷4=1
(1+2+5+4)÷4=3
it correct, you need to find a mutiple of 4 that is nearest 11, so it willl be 12.