#include using namespace std; #define all(v) (v).begin(),(v).end() #define pb(a) push_back(a) #define rep(i, n) for(int i=0;i> n; set s{ 6, 28, 496, 8128, 33550336, 8589869056, 137438691328}; cout << (s.count(n) ? "Yes" : "No") << endl; return 0; }