import java.util.*;
public 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();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    }
} import java.util.*; util.* java public 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();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    }
} 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();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    } main {
        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    } 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 String result = (a + b + c) == 17 ? "YES" : "NO"; result (a + b + c) == 17 ? "YES" : "NO" (a + b + c) == 17 (a + b + c) a + b + c a b c 17 "YES" "NO" System.out.println(result) System.out.println System.out System System.out result String[] args args public 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();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    }
} public 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();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    }
} Main
import java.util.*;
public 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();

        String result = (a + b + c) == 17 ? "YES" : "NO";

        System.out.println(result);
    }
}