import java.util.Scanner;
 
public 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();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			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 sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int C = sc.nextInt();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			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();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			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();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			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 if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		} A == 7 && B == 5 && C == 5 A == 7 && B == 5 && C == 5 A == 7 A 7 B == 5 B 5 C == 5 C 5 {
			System.out.println("YES");
		} System.out.println("YES") System.out.println System.out System System.out "YES" if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		} A == 5 && B == 7 && C == 5 A == 5 && B == 7 && C == 5 A == 5 A 5 B == 7 B 7 C == 5 C 5 {
			System.out.println("YES");
		} System.out.println("YES") System.out.println System.out System System.out "YES" if(A == 5 && B == 5 && C == 7){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		} A == 5 && B == 5 && C == 7 A == 5 && B == 5 && C == 7 A == 5 A 5 B == 5 B 5 C == 7 C 7 {
			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 sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int C = sc.nextInt();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		}
		
	}
} public 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();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		}
		
	}
} Main
import java.util.Scanner;
 
public 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();

		if(A == 7 && B == 5 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 7 && C == 5){
			System.out.println("YES");
		}else if(A == 5 && B == 5 && C == 7){
			System.out.println("YES");
		}else{
			System.out.println("NO");
		}
		
	}
}