import java.util.*;

public class Main{
  public static void main(String[] args){
    
    Scanner scanner = new Scanner(System.in);
    Integer Haiku[] = new Integer[3];
    int sum = 0;
    
    for(int i = 0; i < Haiku.length; i++){
      Haiku[i] = scanner.nextInt();
      sum += Haiku[i];
    }
    
    String ans = "NO";
    
    if(sum == 17 && Arrays.asList(Haiku).contains(5) && Arrays.asList(Haiku).contains(7)){
      ans = "YES";
    }
    System.out.println(ans); 
  }
}
/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