a=b=7,;d={} for(_)in open('../fd/0'):x,y,z=_.split();d[y+x]=z;a+=int(x),;b+=int(y), exec("for i in range(min(b),max(b)+1):b=a;j=i;print''.join(d.get(`j`+`i`,'-')"*2)[:-40]+")"