#include<stdio.h>
#define max 500
int main()
{
	double a[max],b[max];
	int t,times=1,i;
	scanf("%d",&t);
	for(i=0;i<t;i++)
	{
		scanf("%lf%lf",&a[i],&b[i]);
    }
	for(i=0;i<t;i++)
	{
		printf("Property %d: This property will begin eroding in year %d.\n",i+1,(int)(3.14159265*(a[i]*a[i]+b[i]*b[i])/100)+1);
	}
	printf("END OF OUTPUT.\n");
	return 0;
}