#include <stdio.h>
int main()
{
int t;
double x, y;
scanf("%d", &t);
for(int i = 1; i <= t; ++i){
scanf("%lf%lf", &x, &y);
printf("Property %d: This property will begin eroding in year %d.\n",
i, int((x*x + y*y) * 3.1415926 / 100 + 1));
}
printf("END OF OUTPUT.\n");
return 0;
}