#include<iostream>

bool check(int seed) {
	int minS = 1;
	int minT = 1;
	int maxS = 1;
	int maxT = 1;
	while (minS < seed) {
		minT = 2 * minT;
		minS = minS + minT;
		maxT = 2 * maxT+1;
		maxS = maxS + maxT;
		if (minS <= seed and seed <= maxS) {
			return true;
		}
	}
	return false;
}

int main(void) {
	int seed; std::cin >> seed;
	bool result = check(seed);
	std::string ans = (result == true ? "YES" : "NO");
	std::cout << ans.c_str() << std::endl;
	return 0;
}