import java.util.Scanner;

class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int c5 = 0;
        int c7 = 0;
        
        if(a==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(b==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c5==2 && c7==1) {
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        }
	}
} import java.util.Scanner; Scanner java.util class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int c5 = 0;
        int c7 = 0;
        
        if(a==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(b==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c5==2 && c7==1) {
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        }
	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int c5 = 0;
        int c7 = 0;
        
        if(a==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(b==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c5==2 && c7==1) {
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        }
	} main {
		Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int c5 = 0;
        int c7 = 0;
        
        if(a==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(b==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c5==2 && c7==1) {
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        }
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int c5 = 0; c5 0 int c7 = 0; c7 0 if(a==5) {
        	c5++;
        }else {
        	c7++;
        } a==5 a 5 {
        	c5++;
        } c5++ c5 {
        	c7++;
        } c7++ c7 if(b==5) {
        	c5++;
        }else {
        	c7++;
        } b==5 b 5 {
        	c5++;
        } c5++ c5 {
        	c7++;
        } c7++ c7 if(c==5) {
        	c5++;
        }else {
        	c7++;
        } c==5 c 5 {
        	c5++;
        } c5++ c5 {
        	c7++;
        } c7++ c7 if(c5==2 && c7==1) {
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        } c5==2 && c7==1 c5==2 c5 2 c7==1 c7 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
import java.util.Scanner;

class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int c5 = 0;
        int c7 = 0;
        
        if(a==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(b==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c==5) {
        	c5++;
        }else {
        	c7++;
        }
        
        if(c5==2 && c7==1) {
        	System.out.println("YES");
        }else {
        	System.out.println("NO");
        }
	}
}