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

begin
 writeln('Programm leiab ruutv“rrandi lahendi.');
 write('a='); readln(a);
 write('b='); readln(b);
 write('c='); readln(c);
 writeln('x1=',(-b+sqrt(b*b-4*a*c))/(2*a):5:2);
 writeln('x2=',(-b-sqrt(b*b-4*a*c))/(2*a):5:2);
end.