program n_1;
var x, y: real;
begin
read(x);
y:=x*x+5*x-1;
writeln(y:0:5);
end.
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Answers & Comments
program n_1;
var x, y: real;
begin
read(x);
y:=x*x+5*x-1;
writeln(y:0:5);
end.