import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
} import java.util.*; util.* java public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    } main {
        Scanner sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int count5 = 0; count5 0 int count7 = 0; count7 0 for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        } int i = 0; int i = 0; i 0 i < 3 i 3 i++ i++ i {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        } {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        } switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            } sc.nextInt() sc.nextInt sc case 5: 5 case 5: count5++ count5 break; case 7: 7 case 7: count7++ count7 break; if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        } count5 == 2 && count7 == 1 count5 == 2 count5 2 count7 == 1 count7 1 {
            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 sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
} Main
import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int count5 = 0;
        int count7 = 0;

        for (int i = 0; i < 3; i++) {
            switch (sc.nextInt()) {
                case 5:
                    count5++;
                    break;
                case 7:
                    count7++;
                    break;
            }
        }

        if (count5 == 2 && count7 == 1) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}
