#include<stdio.h>
#include<math.h>
#define pi acos(-1)

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

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