import java.util.Scanner;
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();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(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 scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(c==5)){
            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();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(c==5)){
            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();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(c==5)){
            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 if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(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("YES") System.out.println System.out System System.out "YES" if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(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("YES") System.out.println System.out System System.out "YES" if((a==7)&&(b==5)&&(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("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();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(c==5)){
            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();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(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 scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        if((a == 5) && (b == 5) && (c == 7)){
            System.out.println("YES");
        }else if((a == 5)&&(b == 7)&&(c==5)){
            System.out.println("YES");
        }else if((a==7)&&(b==5)&&(c==5)){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }
    }
}