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

}
} Main public static void main (String[]args){
  Scanner input = new Scanner (System.in);
  int a = input.nextInt();
  int b = input.nextInt();
  int c = input.nextInt();
  int count5=0;
  int count7=0;
  if (a==5){     
      count5++;
  }
  else if (a==7){
      count7++;
  }
  if (b==5){     
      count5++;
  }
  else if (b==7){
      count7++;
  }
  if (c==5){     
      count5++;
  }
  else if (c==7){
      count7++;
  }
  if (count5==2 && count7==1){
      System.out.println("YES");
  }
  else{
      System.out.println("NO");
  }

} main {
  Scanner input = new Scanner (System.in);
  int a = input.nextInt();
  int b = input.nextInt();
  int c = input.nextInt();
  int count5=0;
  int count7=0;
  if (a==5){     
      count5++;
  }
  else if (a==7){
      count7++;
  }
  if (b==5){     
      count5++;
  }
  else if (b==7){
      count7++;
  }
  if (c==5){     
      count5++;
  }
  else if (c==7){
      count7++;
  }
  if (count5==2 && count7==1){
      System.out.println("YES");
  }
  else{
      System.out.println("NO");
  }

} Scanner input = new Scanner (System.in); input new Scanner (System.in) int a = input.nextInt(); a input.nextInt() input.nextInt input int b = input.nextInt(); b input.nextInt() input.nextInt input int c = input.nextInt(); c input.nextInt() input.nextInt input int count5=0; count5 0 int count7=0; count7 0 if (a==5){     
      count5++;
  }
  else if (a==7){
      count7++;
  } a==5 a 5 {     
      count5++;
  } count5++ count5 if (a==7){
      count7++;
  } a==7 a 7 {
      count7++;
  } count7++ count7 if (b==5){     
      count5++;
  }
  else if (b==7){
      count7++;
  } b==5 b 5 {     
      count5++;
  } count5++ count5 if (b==7){
      count7++;
  } b==7 b 7 {
      count7++;
  } count7++ count7 if (c==5){     
      count5++;
  }
  else if (c==7){
      count7++;
  } c==5 c 5 {     
      count5++;
  } count5++ count5 if (c==7){
      count7++;
  } c==7 c 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 input = new Scanner (System.in);
  int a = input.nextInt();
  int b = input.nextInt();
  int c = input.nextInt();
  int count5=0;
  int count7=0;
  if (a==5){     
      count5++;
  }
  else if (a==7){
      count7++;
  }
  if (b==5){     
      count5++;
  }
  else if (b==7){
      count7++;
  }
  if (c==5){     
      count5++;
  }
  else if (c==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 input = new Scanner (System.in);
  int a = input.nextInt();
  int b = input.nextInt();
  int c = input.nextInt();
  int count5=0;
  int count7=0;
  if (a==5){     
      count5++;
  }
  else if (a==7){
      count7++;
  }
  if (b==5){     
      count5++;
  }
  else if (b==7){
      count7++;
  }
  if (c==5){     
      count5++;
  }
  else if (c==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 input = new Scanner (System.in);
  int a = input.nextInt();
  int b = input.nextInt();
  int c = input.nextInt();
  int count5=0;
  int count7=0;
  if (a==5){     
      count5++;
  }
  else if (a==7){
      count7++;
  }
  if (b==5){     
      count5++;
  }
  else if (b==7){
      count7++;
  }
  if (c==5){     
      count5++;
  }
  else if (c==7){
      count7++;
  }
  if (count5==2 && count7==1){
      System.out.println("YES");
  }
  else{
      System.out.println("NO");
  }

}
}