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