import java.util.*;
class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	String str = scan.next();
      	int num_1 = Integer.parseInt(str);
      	str = scan.next();
      	int num_2 = Integer.parseInt(str);
      	str = scan.next();
      	int num_3 = Integer.parseInt(str);
      	if (num_1 == 7){
        	if (num_2 == 5 && num_3 == 5){
            	System.out.println("YES");
            }else{
            	System.out.println("NO");
            }
        }else if (num_2 == 7){
        	if (num_1 == 5 && num_3 == 5){
            	System.out.println("YES");
            }else{
            	System.out.println("NO");
            }
        }else if (num_3 == 7){
        	if (num_2 == 5 && num_1 == 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