import java.util.*;
class Main{
  public static void main(String[] arg){
    Scanner stdIn=new Scanner(System.in);
    int A=stdIn.nextInt();
    int B=stdIn.nextInt();
    int C=stdIn.nextInt();
    int max=Math.max(A,Math.max(B,C));
    int min=Math.min(A,Math.min(B,C));
    if(A+B+C==17&&max==7&&min==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