main(j,c,k){double*p,*q=p=sbrk(9);for(;~c;p=c%9<5?j=c&8?c>11||puts("[]"+!!j):2*j,++q-j:p-j--+60/c)for(c=getchar(k=1),*q=c&1;--k+j;p++)c>10?*q=c>98?*++q=*p-1,*q+++2:c&1?*q**p:*q+*p:printf(k?", %.f":"[%.f",*p);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).