import java.util.Scanner;

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();

        int total = 0;

        if(a == 5){
            total += 5;
        }
        if (a == 7){
            total += 7;
        }
        if( b == 5){
            total += 5;
        }
        if ( b == 7){
            total += 7;
        }
        if( c == 5){
            total += 5;
        }
        if ( c == 7){
            total += 7;
        }

        if(total == 17){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }

    }
} import java.util.Scanner; Scanner java.util 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();

        int total = 0;

        if(a == 5){
            total += 5;
        }
        if (a == 7){
            total += 7;
        }
        if( b == 5){
            total += 5;
        }
        if ( b == 7){
            total += 7;
        }
        if( c == 5){
            total += 5;
        }
        if ( c == 7){
            total += 7;
        }

        if(total == 17){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }

    }
} 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();

        int total = 0;

        if(a == 5){
            total += 5;
        }
        if (a == 7){
            total += 7;
        }
        if( b == 5){
            total += 5;
        }
        if ( b == 7){
            total += 7;
        }
        if( c == 5){
            total += 5;
        }
        if ( c == 7){
            total += 7;
        }

        if(total == 17){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }

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

        int total = 0;

        if(a == 5){
            total += 5;
        }
        if (a == 7){
            total += 7;
        }
        if( b == 5){
            total += 5;
        }
        if ( b == 7){
            total += 7;
        }
        if( c == 5){
            total += 5;
        }
        if ( c == 7){
            total += 7;
        }

        if(total == 17){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }

    } 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 int total = 0; total 0 if(a == 5){
            total += 5;
        } a == 5 a 5 {
            total += 5;
        } total += 5 total 5 if (a == 7){
            total += 7;
        } a == 7 a 7 {
            total += 7;
        } total += 7 total 7 if( b == 5){
            total += 5;
        } b == 5 b 5 {
            total += 5;
        } total += 5 total 5 if ( b == 7){
            total += 7;
        } b == 7 b 7 {
            total += 7;
        } total += 7 total 7 if( c == 5){
            total += 5;
        } c == 5 c 5 {
            total += 5;
        } total += 5 total 5 if ( c == 7){
            total += 7;
        } c == 7 c 7 {
            total += 7;
        } total += 7 total 7 if(total == 17){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        } total == 17 total 17 {
            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
import java.util.Scanner;

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();

        int total = 0;

        if(a == 5){
            total += 5;
        }
        if (a == 7){
            total += 7;
        }
        if( b == 5){
            total += 5;
        }
        if ( b == 7){
            total += 7;
        }
        if( c == 5){
            total += 5;
        }
        if ( c == 7){
            total += 7;
        }

        if(total == 17){
            System.out.println("YES");
        }else{
            System.out.println("NO");
        }

    }
}