import java.util.*;
 
public class Main{
  static public void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    if(count5 == 2 && count7 == 1)
      System.out.println("YES");
    else{
      System.out.println("NO");
    }
    
  }
} import java.util.*; util.* java public class Main{
  static public void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    if(count5 == 2 && count7 == 1)
      System.out.println("YES");
    else{
      System.out.println("NO");
    }
    
  }
} Main static public void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    if(count5 == 2 && count7 == 1)
      System.out.println("YES");
    else{
      System.out.println("NO");
    }
    
  } main {
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    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 num[] = new int[3]; num new int[3] 3 num[0] = sc.nextInt() num[0] num 0 sc.nextInt() sc.nextInt sc num[1] = sc.nextInt() num[1] num 1 sc.nextInt() sc.nextInt sc num[2] = sc.nextInt() num[2] num 2 sc.nextInt() sc.nextInt sc int count5 = 0 count5 0 count7 = 0; count7 0 for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    } int i=0; int i=0; i 0 i<3 i 3 i++ i++ i {
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    } {
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    } if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      } num[i] == 5 num[i] num i 5 {
        count5++;
      } count5++ count5 if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      } num[i] == 7 num[i] num i 7 {
        count7++;
      } count7++ count7 {
        System.out.println("NO");
      } System.out.println("NO") System.out.println System.out System System.out "NO" 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 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{
  static public void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    if(count5 == 2 && count7 == 1)
      System.out.println("YES");
    else{
      System.out.println("NO");
    }
    
  }
} public class Main{
  static public void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    if(count5 == 2 && count7 == 1)
      System.out.println("YES");
    else{
      System.out.println("NO");
    }
    
  }
} Main
import java.util.*;
 
public class Main{
  static public void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int num[] = new int[3];
    num[0] = sc.nextInt();
    num[1] = sc.nextInt();
    num[2] = sc.nextInt();
    
    int count5 = 0, count7 = 0;
    
    for(int i=0; i<3; i++){
      if(num[i] == 5){
        count5++;
      }else if(num[i] == 7){
        count7++;
      }else{
        System.out.println("NO");
      }
    }
    
    if(count5 == 2 && count7 == 1)
      System.out.println("YES");
    else{
      System.out.println("NO");
    }
    
  }
}