<span>a = 20
b = 3
c = mod(a,b) + b = mod(20,3) + 3 = 2+3 = 5</span>
Var
p: integer;
begin
readln(p);
if p=5 then print('Молодец!')
else if p = 4 then print('Хорошо!')
else if p<=3 then print('<span>Лентяй!</span>')
end.
64*64*16*1024=<span>
<span>67108864бит/8/1024/1024=8Мбайт</span></span>
Python 3.5
k = int(input())
s = 0
n = k*(k-1)+1
m = 0
while m < k:
s = s + n
n = n + 2
m = m + 1
print(s)