import java.util.*;

public class Main{
  public static void main(String[]args){
    Scanner sc = new Scanner(System.in);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("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);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("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);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("7")){
        count7++;
      }
    }
    if(count5 == 2 && count7 == 1){
      System.out.println("YES");
    }else{
      System.out.println("NO");
    }
  } main {
    Scanner sc = new Scanner(System.in);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("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) String[] S = sc.nextLine().split(" "); S sc.nextLine().split(" ") sc.nextLine().split sc.nextLine() sc.nextLine sc " " int count5 = 0; count5 0 int count7 = 0; count7 0 for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("7")){
        count7++;
      }
    } int i = 0; int i = 0; i 0 i < 3 i 3 i++ i++ i {
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("7")){
        count7++;
      }
    } {
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("7")){
        count7++;
      }
    } if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("7")){
        count7++;
      } S[i].equals("5") S[i].equals S[i] S i "5" {
        count5++;
      } count5++ count5 if(S[i].equals("7")){
        count7++;
      } S[i].equals("7") S[i].equals S[i] S i "7" {
        count7++;
      } 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);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("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);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("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);
    String[] S = sc.nextLine().split(" ");
    int count5 = 0;
    int count7 = 0;
    for(int i = 0; i < 3; i++){
      if(S[i].equals("5")){
        count5++;
      }else if(S[i].equals("7")){
        count7++;
      }
    }
    if(count5 == 2 && count7 == 1){
      System.out.println("YES");
    }else{
      System.out.println("NO");
    }
  }
}