X(A)
{RV
-a
xm{w`
cn
`q쒬
{RV
-b
xm{w`
cn
`qcn
{RV
-c
xm{w`
`qcncnz
^cnqcnz
k01Nx^sl
{RV
-d
xm{w`
`qcncnz
^cnqcnz
(KnoR)
k01Nx^sl