#include <stdio.h>
      int e(char*v){int c=0,p=0;
   char d[4096];while(v[c]){switch
  (v[c]){case        '>':p++;break;
                         case'<':p
                         --;break;
              case'+':d[p]++;break;
      case'-':d[p]--;break;case'.':
    putchar(d[p]);break;case',':d[p
   ]=getchar();break;case'[':if(!d[
  p]){int s=1            ;while(s+=
 v[++c]=='['             ?1:v[c]==
 ']'?-1:0);             }break;case
 ']':if(d[p             ]){int s=1;
  while(s+=            v[--c]==']'?
  1:v[c]=='['        ?-1:0);}break;
   default:c--;break;}c++;}}int
    main(int n,char**v)  {if(n!=2)
        return 1;e         (v[1]);}