import java.util.*;

public 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 count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    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 a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    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 a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    if (count5 == 2 && count7 == 1) {
      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 count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    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 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 count5 = 0; count5 0 int count7 = 0; count7 0 int[] data = {a,b,c}; data {a,b,c} a b c for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    } int i = 0; int i = 0; i 0 i < 3 i 3 i++ i++ i {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    } {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    } if (data[i] == 5) count5++; data[i] == 5 data[i] data i 5 count5++ count5 if (data[i] == 7) count7++; data[i] == 7 data[i] data i 7 count7++ count7 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 a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    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 a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    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 a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    int count5 = 0;
    int count7 = 0;

    int[] data = {a,b,c};

    for (int i = 0; i < 3; i++) {
      if (data[i] == 5) count5++;
      if (data[i] == 7) count7++;
    }
    if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }

  }

}
