set I0 k0 90 40 1M M k '8 3 1'
a=(1
3 1
7 3 1
f $_
v j $_
_ H ${@:7}
1_ 1u L ${@:7}
3_ 39 1H ${@:6}
7_ 6D 3K 1L ${@:6}
f_ dM 88 3X ${@:5}
v_ sn hx 8K 3_ ${@:5}
__ W7 Bn j8 8X ${@:4}
1__ 1Su 1f0 Fw jK 8_ ${@:4}
3__ 3MB 2BU 1ph H8 jX ${@:3}
7__ 7D3 5qf 2@D 1tw HK j_ ${@:3}
f__ fnE bf7 6kw 39g 1v8 HX ${@:2}
v__ u@H nfe dlU 6Kx 3dw 1vK H_ ${@:2}
___ @mj LUA s2g ek7 6Vg 3f8 1vX $*
1___ 1Zk@ 1ymV WHf ukw eKw 6Zw 3fK 1v_ $*)
read b c
echo $[64#${a[b*--b/2+c-c/c]}]&&. *