const r1 = 10;
      r2 =  8;
var x, y : real;
    b1, b2: boolean;
begin
  Write (' x = '); ReadLn(x);
  Write (' y = '); ReadLn (y);
  b1:=(SQR(x)+SQR(y)-SQR(r1)) <=0;
  b2:=(SQR(x) + SQR(y) - SQR(r2))>=0;
  if (b1 and b2) then WriteLn (' Принадлежит')
                 else WriteLn (' Не принадлежит');
  ReadLn;
  end.