import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class No558 {
	public static void main(String[] args) {
		try{
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			String str = br.readLine();
			if(str.indexOf("575") != -1) System.out.println("YES");
			else System.out.println("NO");
		}catch(IOException e){
			e.getStackTrace();
		}
	}
}