include <iostream>
#include <cstdio>
#include <cmath>

using namespace std;

int main()
{
	int i, n;
	double pi, x, y, years;
	cin >> n;
	pi = 3.1415926;
	for(int i = 1;i <= n;i ++){
		cin >> x >> y;
		years = pi * (x * x + y * y) / 100;
		printf("Property %d: This property will begin eroding in year %d.\n", i, (int) years + 1);
	}
	printf("END OF OUTPUT.");
	return 0;
}