admod
i = ad + 2 * admod;
admod = 2;
admod = ad = 0; /*same as casena*/
admod = 1;
admod = 0;
admod = (i - '0') / 2;
if (admod && ad && (brflg != 2)) {
if (admod == 1)
else if (admod == 2)