program text_file;
uses crt;
type
vector = array[1..100] of real;
var
ft:text;
str:string;
i,k,code:integer;
a:vector;
begin
assign(ft,'D:\text.txt');
reset(ft);
i:=0;
while not eof(ft) do
begin
i:=i+1;
readln(ft,str);
val(str,a[i],code);
if code <> 0 then
writeln('Error =',Code)
else
writeln(a[i]:8:2);
end;
close(ft);
readln;
end.