
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
    
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
    
} Main public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    } main {
        Scanner input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    } Scanner input = new Scanner(System.in); input new Scanner(System.in) int A A B B C; C A = input.nextInt() A input.nextInt() input.nextInt input B = input.nextInt() B input.nextInt() input.nextInt input C = input.nextInt() C input.nextInt() input.nextInt input if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO"); A==5&B==5&C==7 A==5&B==5&C==7 A==5 A 5 B==5 B 5 C==7 C 7 System.out.println("YES") System.out.println System.out System System.out "YES" if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO"); A==7&B==5&C==5 A==7&B==5&C==5 A==7 A 7 B==5 B 5 C==5 C 5 System.out.println("YES") System.out.println System.out System System.out "YES" if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO"); A==5&B==7&C==5 A==5&B==7&C==5 A==5 A 5 B==7 B 7 C==5 C 5 System.out.println("YES") System.out.println System.out System System.out "YES" 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 input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
    
} public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
    
} Main

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int A,B,C;
        A = input.nextInt();
        B = input.nextInt();
        C = input.nextInt();
        if(A==5&B==5&C==7)
            System.out.println("YES");
        else if(A==7&B==5&C==5)
            System.out.println("YES");
        else if(A==5&B==7&C==5)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
    
}
