#include #include using namespace std; using namespace atcoder; #define rep(i, n) for(int i=0;i<(n);++i) #define rep1(i, n) for(int i=1;i<=(n);i++) #define ll long long using mint = modint998244353; using P = pair; using lb = long double; using T = tuple; #ifdef LOCAL # include # define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define dbg(...) (static_cast(0)) #endif int main() { int n; cin >> n; vector prime; vector used((int)(1e7)+1); prime.push_back(1); for(int i=2;i<=(int)1e3;i++){ if(used[i]) continue; prime.push_back(i); for(int j=i+i;j<=(int)(1e7);j+=i){ used[j] = true; } } vector a(n, 1); rep(i,n-1){ a[i+1] = prime[i]*prime[i+1]; } a[n-1] /= prime[n-1]; reverse(a.begin(),a.end()); dbg(a); for(int i=1;i=a[i]){ a[i] *= prime[j]; } } rep(i,n-1){ dbg(gcd(a[i], a[i+1])); } dbg(a); for(int i=0;i