var
x:integer;
begin
readln(x);
writeln(2*x*x-3*(x*x+1)*(x*x+1));
end.
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
var
x:integer;
begin
readln(x);
writeln(2*x*x-3*(x*x+1)*(x*x+1));
end.