program ruutvorr;
var
 x1, x2, a, b, c, d: real;

begin
 writeln('Programm leiab ruutv“rrandi lahendi.');
 write('a='); readln(a);
 write('b='); readln(b);
 write('c='); readln(c);
 d:=b*b-4*a*c;
 if d>=0 then
 begin
  writeln('x1=',(-b+sqrt(d))/(2*a):5:2);
  writeln('x2=',(-b-sqrt(d))/(2*a):5:2);
 end
 else
  writeln('V“rrandil lahendid puuduvad.');
end.