#include <iostream>
#include <string>
using namespace std;
int main()
{
	string s;
	bool f = false;
	cin >> s;
	for (int i = 0; i < s.size(); i++)
	{
		if (s[i] == '5' && s[i + 1] == '7' && s[i + 2] == '5')
		{
			f = true;
			break;
		}
	}
	cout << (f ? "YES" : "NO") << endl;
	return 0;
}