import java.util.*;
 public class Main {
   public static void main(String[] args) {
     Scanner sc = new Scanner(System.in);
     int A = sc.nextInt();
     int B = sc.nextInt();
     int C = sc.nextInt();
     if ((A+B+C)!=17) {
       System.out.println("NO");
     } else if(A != 7 && B != 7 && C != 7) {
       System.out.println("NO");
     } else if(A != 5 && B != 5 && C != 5) {
       System.out.println("NO");
     } else {
       System.out.println("YES");
     };
   };
 };
/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