function isPoor(A, B, C)
{


   if ( (A === B) && ( A === C) )
  { 
   return "No";
  }  

else if ( (A === B) || ( A === C) )
  {
    return "Yes";
   }

else if( (B === C) || (B ===A) )
  {
      return "Yes";
   }
  
else if( ( (C===A) || (C===B) )
   
       {
            return "Yes";
       }
    
else 
{
return "No";
}

}

