import java.util.*;
 
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n1 = sc.nextInt();
    int n2 = sc.nextInt();
    int n3 = sc.nextInt();
    
    int[] array = {n1,n2,n3};
    int matchCount1 = 0;
    int matchCount2 = 0;
    for(int val : array){
      if(val == 5){
        matchCount1++;
      }else if(val == 7){
        matchCount2++;
      }
    }
    
    if(matchCount1 == 2 && matchCount2 == 1){
      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