import java.util.Scanner;
public class Main {
	
     public static void main(String[] args) {
    	  
		
		Scanner getNumber = new Scanner(System.in);
		float n = getNumber.nextFloat();
		
			
            for(int i=1;i<=n;i++){
			int year=0;
			float x=getNumber.nextFloat();
			float y=getNumber.nextFloat();
			for(;3.14*((x*x)+(y*y))>(100*year);year++){
				
			}
			System.out.println("property"+" "+i+":"+"This property will begin eroding in year "+year+".");
		}
		System.out.println("END OF OUTPUT.");
	}

}