import java.util.*;

public class Main {
    public static void main(String[] args) {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    }
}
 import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    }
} Main public static void main(String[] args) {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    } main {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    } int count = 0; count 0 Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int c = scan.nextInt(); c scan.nextInt() scan.nextInt scan if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        } a*b*c==5*5*7 a*b*c a*b*c a b c 5*5*7 5*5*7 5 5 7 {
            System.out.println("YES");
        } System.out.println("YES") System.out.println System.out System System.out "YES" {
            System.out.println("NO");

        } System.out.println("NO") System.out.println System.out System System.out "NO" String[] args args public class Main {
    public static void main(String[] args) {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    }
} public class Main {
    public static void main(String[] args) {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) {
        int count = 0;
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();


        if(a*b*c==5*5*7){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");

        }

    }
}

