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