#include #include #include using namespace std; using ll=long long; #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() template bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;} template bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;} int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int N; cin>>N; vectorA,B; for(int i=1;i<=N;i++){ if(i%2==1)A.push_back(i); else B.push_back(i); } int a=A.size(),b=B.size(); if(a%2==1){ cout<<"No\n"; }else{ ll c=0; for(int i=0;i