var
a:real;
S:real;
P:real;
begin
readln(P);
a:=P/4;
S:=sqr(a);
writeln('Площадь ',S);
readln;
end.
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Answers & Comments
var
a:real;
S:real;
P:real;
begin
readln(P);
a:=P/4;
S:=sqr(a);
writeln('Площадь ',S);
readln;
end.