text: #include<iostream>
  #include<cstdio>
  #include<cstring>
  #include<cmath>
  using namespace std;
  int main()
  {
      int t;int times=0;
      scanf("%d",&t);
      while(t--)
      {
      	double x,y; 	double res=0;	
      	cin>>x>>y;
         res=(x*x+y*y)*(3.1415926)/100;
      	printf("Property %d: This property will begin eroding in year %d.\n",++times,int(res+1));
  	}
  	puts("END OF OUTPUT.");
  	return 0;
  }