import java.util.Scanner;
     
    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==5 && b==5 && c==7 || a==5 && b==7 && c ==5 || a==7 && b==5 && c==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