#include <iostream>
using namespace std;
signed main()
{
    int n, sum = 0;
    cin >> n;
    for (int i = 1; i < 7; i++)
    {
        sum = (n + 2) * 2;
        n = sum;
    }
    cout << sum;
    return 0;
} //已AC

#include <iostream> using namespace std; signed main() { int n, sum = 0; cin >> n; for (int i = 1; i < 7; i++) { sum = (n + 2) * 2; n = sum; } cout << sum; return 0; } //已AC