13.cpp

#include <iostream>
using namespace std;

int main(int argc, char const *argv[]) {
	int n;
	cin >> n;
	if(n%5 == 0 && n%7 == 0) {
		cout << "yes" << endl;
	}
	else {
		cout << "no" << endl;
	}
	return 0;
}