program z6_04;
var a:array[1..10] of integer;
p,x,i:integer;
begin
x:=4;a[1]:=2;
p:=2*x+3;
for i:=2 to 9 do begin
a[i]:=a[i-1]+3;
p:=p *x+a[i];end;
writeln(p+3);
end.