

import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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 input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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 input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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 input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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 input = new Scanner (System.in); input new Scanner (System.in) int A A B B C; C A = input.nextInt() A input.nextInt() input.nextInt input B = input.nextInt() B input.nextInt() input.nextInt input C = input.nextInt() C input.nextInt() input.nextInt input 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 input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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 input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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 input = new Scanner (System.in);
		int A,B,C;
		A = input.nextInt();
		B = input.nextInt();
		C = input.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");}

				
	}

}

