#include<stdio.h>
#include<stdlib.h>
int main()
{
	int n,i=1;
	float x,y;
	scanf("%d",&n);
	while(i<=n)
	{
		scanf("%f %f",&x,&y);
		printf("Property %d: This property will begin eroding in year %d.\n",i,(int)(0.0314*(x*x+y*y)+1));
		i++;
	}
	printf("END OF OUTPUT.");
	return 0;
}