#include <stdio.h>

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