#include <stdio.h>
#include <math.h>

double x,y;

#define pi (double)0.031415926535

int main(){
	while(scanf("%lf %lf\n", &x, &y) != EOF){
		if((x == 0) && (y == 0))
			break;
		printf("The property will be flooded in hour %d.\n", (int)(pi * (x*x + y*y)) + 1);
	}

	return(0);
}