Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
borrow =
1.
•{
2.
‹™
3.
ŽØ
4.
Ž¡
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ