package arithmetic;

import java.util.Scanner;

public class IThinkI1049 {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

int num = sc .nextInt();

int years = 0;

double pai=3.1416;

double x=0,y=0;

for(int i=0;i<num;i++){

x=sc.nextDouble();

y=sc.nextDouble();

years = (int) Math.ceil(pai*(x*x+y*y)/100);//因为年数为整数，取不小于该小数的最小整数

System.out.println("Property "+(i+1)+": This property will begin eroding in year "+years+"." );

}

System.out.println("END OF OUTPUT.");

}

}