please help us in this code ..

in the line number 31 we need to do shift right by 2

how can we write it ??

20 Bbegin product =0; product =A-M; else product=A+2 *M; else product-A-2M; 25 2 6 | if ((Qx [ 2:0],Q0 } ==3 'b011) 27 28 | if ((Qx [ 2:0],Q0 } ==3 'b100) 30 31 32 product -H; product -A, Qxi; 35 36 37 38 39 if (counter ==3) valid-1: counter-counter+1 end