#include <iostream>
using namespace std;
using ull = unsigned long long;

int main( ){
    ull x;
    cin >> x;

    int c = 0;
    while (!((x >> c) & 1ull)) {
        c++;
    }
    if ((x >> c) == (1ull << (c+1))-1) {
        cout << "Yes";
    } else {
        cout << "No";
    }
}