import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String s = in.next();

        String ans = "NO";
        for(int i = 0; i < s.length() - 2; i++) {
            if(s.charAt(i) == '5')
                if(s.charAt(i+1) == '7')
                    if(s.charAt(i+2) == '5') {
                        ans = "YES";
                        break;
                    }
        }

        System.out.println(ans);
    }
}