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