Untitled

#include <iostream>
#include <cmath>
#include <string>
using namespace std;

int main()
{
	string parol;
	cin >> parol;
	int sum = 0;
	if (parol.length() > 7 && parol.length() < 19) {
		for (int i = 0; i < parol.length(); i++)
		{
			if (parol[i] >= 33 && parol[i] <= 126) {
				if (parol[i] >= 48 && parol[i] <= 57) sum += 1;
				else if (parol[i] >= 65 && parol[i] <= 90) sum += 1;
				else if (parol[i] >= 97 && parol[i] <= 122) sum += 1;
				else sum += 1;
			}
		}
		if (sum >= 3) cout << "YES";
	else cout << "NO";
	}
}