import java.util.Scanner;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
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){
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    }
    System.out.println("NO");
  }
} import java.util.Scanner; Scanner java.util import java.util.List; List java.util import java.util.ArrayList; ArrayList java.util import java.util.Collections; Collections java.util import java.util.List; List 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){
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    }
    System.out.println("NO");
  }
} 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){
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    }
    System.out.println("NO");
  } main {
    Scanner sc = new Scanner(System.in);
    int a=sc.nextInt();
    int b=sc.nextInt();
    int c=sc.nextInt();
    if (a==b){
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    }
    System.out.println("NO");
  } 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){
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    } a==b a b {
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      } a==5 && c==7 a==5 a 5 c==7 c 7 {
        System.out.println("YES");
        System.exit(0);
      } System.out.println("YES") System.out.println System.out System System.out "YES" System.exit(0) System.exit System 0 if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    } a==c a c {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      } a==5 && b==7 a==5 a 5 b==7 b 7 {
        System.out.println("YES");
        System.exit(0);
      } System.out.println("YES") System.out.println System.out System System.out "YES" System.exit(0) System.exit System 0 if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    } b==c b c {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    } if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      } b==5 && a==7 b==5 b 5 a==7 a 7 {
        System.out.println("YES");
        System.exit(0);
      } System.out.println("YES") System.out.println System.out System System.out "YES" System.exit(0) System.exit System 0 System.out.println("NO") System.out.println System.out System System.out "NO" String[] args args
import java.util.Scanner;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
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){
      if (a==5 && c==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (a==c) {
      if (a==5 && b==7){
        System.out.println("YES");
        System.exit(0);
      }
    } else if (b==c) {
      if (b==5 && a==7){
        System.out.println("YES");
        System.exit(0);
      }
    }
    System.out.println("NO");
  }
}
