import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
} Main public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    } main {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    } 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 boolean d = false; d false if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        } a == 5 && b == 5 && c == 7 a == 5 && b == 5 && c == 7 a == 5 a 5 b == 5 b 5 c == 7 c 7 {
             d = true;
        } d = true d true if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        } a == 5 && b == 7 && c == 5 a == 5 && b == 7 && c == 5 a == 5 a 5 b == 7 b 7 c == 5 c 5 {
            d = true;
        } d = true d true if(a == 7 && b == 5 && c == 5){
            d = true;
        } a == 7 && b == 5 && c == 5 a == 7 && b == 5 && c == 5 a == 7 a 7 b == 5 b 5 c == 5 c 5 {
            d = true;
        } d = true d true if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        } d {
            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){
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
} public class Main {
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        boolean d = false;
        if(a == 5 && b == 5 && c == 7){
             d = true;
        }else if(a == 5 && b == 7 && c == 5){
            d = true;
        }else if(a == 7 && b == 5 && c == 5){
            d = true;
        }
        if(d){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
}
