#include <iostream>
#include <vector>
#include <string>

using namespace std;
int main(void){
    string a;
    getline(cin,a);
    if (a.size() < 8){
        cout << "NO";
    } else{
        bool upperCase = false, lowerCase = false, numbers = false;
        for (size_t i = 0; i < a.size(); ++i){
            if (47 < (int)a[i] && (int)a[i] < 58) numbers = true; else numbers = false;
            if (96 < (int)a[i] && (int)a[i] < 123) lowerCase = true; else lowerCase = false;
            if (64 < (int)a[i] && (int)a[i] < 91) upperCase = true; else upperCase = false;
            if (!(numbers && lowerCase && upperCase)) break;
        }
        if (numbers && lowerCase && upperCase) cout << "YES"; else cout << "NO";
    }

    return 0;
}