#define f;a<b;o-=ffs(++a)*2-4
double o,x;a,b,c;main(d){for(;~c;c<11&&({for(d=~printf("[")f)d=!printf(", %.f"-d,o);puts("]");}))c=getchar(c>99?a*=2,b*=2,--o:c-60?c-62?({for(x=c&=1 f)x=c?x*o:x+o;a%=b=1,o=x;}):--b:({f;}));}