import java.util.*;
public class Main {
	public static void main(String arg[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			System.out.println("YES");
		}
		else {
			System.out.println("NO");
		}
	}
} import java.util.*; util.* java public class Main {
	public static void main(String arg[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			System.out.println("YES");
		}
		else {
			System.out.println("NO");
		}
	}
} Main public static void main(String arg[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			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();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			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 int[] arr = new int[8]; arr new int[8] 8 arr[a]++ arr[a] arr a arr[b]++ arr[b] arr b arr[c]++ arr[c] arr c if(arr[5] == 2 && arr[7] == 1) {
			System.out.println("YES");
		}
		else {
			System.out.println("NO");
		} arr[5] == 2 && arr[7] == 1 arr[5] == 2 arr[5] arr 5 2 arr[7] == 1 arr[7] arr 7 1 {
			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 arg[] arg public class Main {
	public static void main(String arg[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			System.out.println("YES");
		}
		else {
			System.out.println("NO");
		}
	}
} public class Main {
	public static void main(String arg[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			System.out.println("YES");
		}
		else {
			System.out.println("NO");
		}
	}
} Main
import java.util.*;
public class Main {
	public static void main(String arg[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		
		int[] arr = new int[8];

		arr[a]++;
		arr[b]++;
		arr[c]++;

		if(arr[5] == 2 && arr[7] == 1) {
			System.out.println("YES");
		}
		else {
			System.out.println("NO");
		}
	}
}