include

include

using namespace std;

int main() {

int n, sum = 1;
bool f = true;
bool t = true;
cin >> n;
for (int i = 1; i <= sqrt(n); i++) {
	if (n % i == 0) {
		f = false;
		break;
	}
}
if (f) {
	while (n != 0) {
		int x = n % 10;
		sum *= 10;
		sum += x;

		n /= 10;
	}
	
}

sum /= 10;

	for (int i = 1; i <= sqrt(sum); i++) {
		if (sum % i == 0) {
			t = false;
			break;
		}
	}
if (t) {
	cout << "Yes";
} else {
	cout << "No";
}

return 0;

}