t=(s=readline()).length;for(u=1;l=readline();u++)s+=l;for(i=0;i=u||b<0||b>=t)continue;o+=s.charAt(a*t+b)-0}if((x-0&&o>2&&o<5)||!(x-0||o-3))p+=1;else p+=0;if(j==t-1)print(p)}