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 == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(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