#include #include #include #include #include #include using namespace std; bool dfs(long long a, long long b) { if (a == 0 && b == 0) { return true; } if (a % 2 == 1 && b % 2 == 1) { return false; } bool ret1, ret2; if (a % 2 == 0) { ret1 = dfs(a / 2, b - 1); } if (b % 2 == 0) { ret2 = dfs(a - 1, b / 2); } return ret1 || ret2; } int main() { long long a, b; cin >> a >> b; bool ok = dfs(a, b); cout << (ok ? "Yes" : "No") << endl; return 0; }