import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
        String A = scan.next();
        String B = scan.next();
        String C = scan.next();
        
        if(A.equals("5") && B.equals("5")) {
        	System.out.println("YES");
        }else if(B.equals("5") && C.equals("5")){
        	System.out.println("YES");
        }else if(A.equals("5") && C.equals("5")){
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        }
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz