import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
	int a = scan.nextInt();
	int b = scan.nextInt();
	int c = scan.nextInt();

	boolean isAB5C7 = (a==5 && b==5 && c==7);
	boolean isBC5A7 = (a==7 && b==5 && c==5);
	boolean isCA5B7 = (a==5 && b==7 && c==5);

	if(isCA5B7||isBC5A7||isAB5C7){
		System.out.println("YES");
	}else{
		System.out.println("NO");
	}
	}
} import java.util.*; util.* java class Main{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
	int a = scan.nextInt();
	int b = scan.nextInt();
	int c = scan.nextInt();

	boolean isAB5C7 = (a==5 && b==5 && c==7);
	boolean isBC5A7 = (a==7 && b==5 && c==5);
	boolean isCA5B7 = (a==5 && b==7 && c==5);

	if(isCA5B7||isBC5A7||isAB5C7){
		System.out.println("YES");
	}else{
		System.out.println("NO");
	}
	}
} Main public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
	int a = scan.nextInt();
	int b = scan.nextInt();
	int c = scan.nextInt();

	boolean isAB5C7 = (a==5 && b==5 && c==7);
	boolean isBC5A7 = (a==7 && b==5 && c==5);
	boolean isCA5B7 = (a==5 && b==7 && c==5);

	if(isCA5B7||isBC5A7||isAB5C7){
		System.out.println("YES");
	}else{
		System.out.println("NO");
	}
	} main {
		Scanner scan = new Scanner(System.in);
	int a = scan.nextInt();
	int b = scan.nextInt();
	int c = scan.nextInt();

	boolean isAB5C7 = (a==5 && b==5 && c==7);
	boolean isBC5A7 = (a==7 && b==5 && c==5);
	boolean isCA5B7 = (a==5 && b==7 && c==5);

	if(isCA5B7||isBC5A7||isAB5C7){
		System.out.println("YES");
	}else{
		System.out.println("NO");
	}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int c = scan.nextInt(); c scan.nextInt() scan.nextInt scan boolean isAB5C7 = (a==5 && b==5 && c==7); isAB5C7 (a==5 && b==5 && c==7) a==5 && b==5 && c==7 a==5 a 5 b==5 b 5 c==7 c 7 boolean isBC5A7 = (a==7 && b==5 && c==5); isBC5A7 (a==7 && b==5 && c==5) a==7 && b==5 && c==5 a==7 a 7 b==5 b 5 c==5 c 5 boolean isCA5B7 = (a==5 && b==7 && c==5); isCA5B7 (a==5 && b==7 && c==5) a==5 && b==7 && c==5 a==5 a 5 b==7 b 7 c==5 c 5 if(isCA5B7||isBC5A7||isAB5C7){
		System.out.println("YES");
	}else{
		System.out.println("NO");
	} isCA5B7||isBC5A7||isAB5C7 isCA5B7||isBC5A7||isAB5C7 isCA5B7 isBC5A7 isAB5C7 {
		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.*;

class Main{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
	int a = scan.nextInt();
	int b = scan.nextInt();
	int c = scan.nextInt();

	boolean isAB5C7 = (a==5 && b==5 && c==7);
	boolean isBC5A7 = (a==7 && b==5 && c==5);
	boolean isCA5B7 = (a==5 && b==7 && c==5);

	if(isCA5B7||isBC5A7||isAB5C7){
		System.out.println("YES");
	}else{
		System.out.println("NO");
	}
	}
}