#include<stdio.h>
#include<math.h>
main()
{ double x,y,pi;
  int m,i,n;
  double s=0;
  pi=acos(-1.0);
  scanf("%d",&m);
  for(i=1;i<=m;i++)
  {scanf("%lf %lf",&x,&y);
   s=pi*(x*x+y*y);
     n=int(floor(s/100))+1;
     printf("Property %d: This property will begin eroding in year %d\n",i,n);
       }
     printf("END OF OUTPUT");
      }