Masala #0779

Xotira 16 MB Vaqt 1000 ms
14

2/8 ketma - ketlik

\(1,5,3,25,20,18, \dots\)

Ketma - ketlikning \(n\) - hadini toping


Kiruvchi ma'lumotlar:

\(n ( 0 < n < 10^5)\) son kiritiladi


Chiquvchi ma'lumotlar:

Masala javobini chop eting.


Misollar
# input.txt output.txt
1
10
84
2
8
100