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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		} (a==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5) (a==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5) (a==5&&b==5&&c==7) a==5&&b==5&&c==7 a==5 a 5 b==5 b 5 c==7 c 7 (a==5&&b==7&&c==5) a==5&&b==7&&c==5 a==5 a 5 b==7 b 7 c==5 c 5 (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" {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		}
	}
}
