#include <stdio.h>
#include <math.h>

int main()
{
	int count;
	double x,y;
	scanf("%d",&count);
	for(int i=0;i!=count;i++)
	{
		scanf("%lf %lf",&x,&y);
		printf("Property %d: This property will begin eroding in year %d.\n",i+1,(int)ceil((x*x+y*y)*3.14/100));
	}
	printf("END OF OUTPUT.\n");
	return 0;
}