#include<stdio.h>
#include<math.h>
void main(){
int m[100000],n,i;
float x,y;
scanf("%d",&n);
for(i=0;i<n;i++)
{scanf("%f%f\n",&x,&y);
m[i]=(int)ceil((x*x+y*y)*3.1415926/100);}
for(i=0;i<n;i++)
{printf("Property %d:This property will begin eroding in year %d\n",
i+1,m[i]);
}
printf("END OF OUTPUT\n");
}