#include #include #include #include #include #include #define ll long long using namespace std; int a[102]; int T; ll n; int main(){ a[1] = 1; for(int ii = 2; ii <= 100; ++ ii){ for(int i=1;i> n; if(n<4){ cout << a[(int)n] << endl; continue; } if(n % 2){ int x = (n-3) / 2 % 3; ll y = (n-3) / 2 / 3; // cout << n << " " << x << " " << a[(int)n] << endl; if (x < 2)cout << y << endl; else cout << y * 4 + 5 << endl; }else{ int x = (n-4) / 2 % 3; // ll y = (n-4) / 3; if (x > 0)cout << n / 2 << endl; else cout << n - 1 << endl; } } return 0; }