var
a, b : integer;
begin
read(a);
b := (a * (a * a)) + 1;
if b mod 3 = 0 then b := b div 3;
if b mod 5 = 0 then b := b div 5;
if b mod 7 = 0 then b := b div 7;
if b mod 9 = 0 then b := b div 9;
if b mod 11 = 0 then b := b div 11;
if b mod 13 = 0 then b := b div 13;
if b mod 15 = 0 then b := b div 15;
writeln((100 * a - b) div 2);
end.
输入：10

输出：499