//g++ 1.cpp -std=c++14 -O2 -I . #include using namespace std; #include using namespace atcoder; using ll = long long; using ld = long double; using vi = vector; using vvi = vector; using vll = vector; using vvll = vector; using vld = vector; using vvld = vector; #define fi first #define se second #define pb push_back #define pq_big(T) priority_queue,less> #define pq_small(T) priority_queue,greater> #define all(a) a.begin(),a.end() #define rep(i,start,end) for(ll i=start;i<(ll)(end);i++) #define per(i,start,end) for(ll i=start;i>=(ll)(end);i--) int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin>>n; vi pow2(n); pow2[0]=1; rep(i,1,n){ pow2[i]=pow2[i-1]*2; } reverse(all(pow2)); int now=0; rep(i,0,n){ now+=pow2[i]; cout<