#include using namespace std; using ll = long long; using P = pair; #define fix(x) fixed << setprecision(x) #define asc(x) x, vector, greater #define rep(i, n) for(ll i = 0; i < n; ++i) #define all(x) (x).begin(),(x).end() templatebool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;} templatebool chmax(T&a, const T&b){if(a> n; ll x[] = {6, 28, 496, 8128, 33550336, 8589869056, 137438691328}; rep(i,7) if(n==x[i]){ cout << "Yes\n"; return 0; } cout << "No\n"; return 0; }