POJ1005

#include <stdio.h>
#define PI  3.1415926  

int main()
{
        int i,n,t;
        float x,y;
        scanf("%d", &n);
        for(i=0; i<n; i++) 
        {
                scanf("%f%f", &x, &y);

                t = (int)(PI*(x*x + y*y) / 100);

                t++;

                printf("Property %d: This property will begin eroding in year %d.\n", i+1, t);
        }

        printf("END OF OUTPUT.\n");

        return 0;

}