tjut 2876

#include<cstdio>  int main()  {      int a,b,x0,y0;      int T;      while(~scanf("%d",&T))      {          while(T--)          {              scanf("%d%d%d%d",&a,&b,&x0,&y0);              if(x0*x0/(a*a)+y0*y0/(b*b)<1)                  printf("In ellipse\n");              else                  printf("%d\n",a*a*b*b);          }      }      return 0;  }