import java.util.Scanner;

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+b+c!=17){
      System.out.println("NO");
    }else{
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    }
  }
} import java.util.Scanner; Scanner java.util 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+b+c!=17){
      System.out.println("NO");
    }else{
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    }
  }
} 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+b+c!=17){
      System.out.println("NO");
    }else{
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    }
  } main {
    Scanner sc = new Scanner(System.in);
    
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    
    if(a+b+c!=17){
      System.out.println("NO");
    }else{
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    }
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc if(a+b+c!=17){
      System.out.println("NO");
    }else{
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    } a+b+c!=17 a+b+c a+b+c a b c 17 {
      System.out.println("NO");
    } System.out.println("NO") System.out.println System.out System System.out "NO" {
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    } if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      } (a==5 || a==7)&&(b==5 || b==7) (a==5 || a==7) a==5 a 5 a==7 a 7 (b==5 || b==7) b==5 b 5 b==7 b 7 {
        System.out.println("YES");
      } System.out.println("YES") System.out.println System.out System System.out "YES" String[] args args
import java.util.Scanner;

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+b+c!=17){
      System.out.println("NO");
    }else{
      if((a==5 || a==7)&&(b==5 || b==7)){
        System.out.println("YES");
      }
    }
  }
}
