import java.util.Scanner;
public class Main{
	public static void main(String[]args) {
		Scanner sc = new Scanner(System.in);

		int count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			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 count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		}

	}
} Main public static void main(String[]args) {
		Scanner sc = new Scanner(System.in);

		int count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		}

	} main {
		Scanner sc = new Scanner(System.in);

		int count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		}

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int count1 = 0; count1 0 int count2 = 0; count2 0 int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc if(a == 5) {
			count1 += 1;
		} a == 5 a 5 {
			count1 += 1;
		} count1 += 1 count1 1 if(a == 7) {
			count2 += 1;
		} a == 7 a 7 {
			count2 += 1;
		} count2 += 1 count2 1 int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc if(b == 5) {
			count1 += 1;
		} b == 5 b 5 {
			count1 += 1;
		} count1 += 1 count1 1 if(b == 7) {
			count2 += 1;
		} b == 7 b 7 {
			count2 += 1;
		} count2 += 1 count2 1 int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc if(c == 5) {
			count1 += 1;
		} c == 5 c 5 {
			count1 += 1;
		} count1 += 1 count1 1 if(c == 7) {
			count2 += 1;
		} c == 7 c 7 {
			count2 += 1;
		} count2 += 1 count2 1 if(count1 == 2 && count2 == 1) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		} count1 == 2 && count2 == 1 count1 == 2 count1 2 count2 == 1 count2 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[]args args public class Main{
	public static void main(String[]args) {
		Scanner sc = new Scanner(System.in);

		int count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			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 count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			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 count1 = 0;
		int count2 = 0;
		int a = sc.nextInt();
		if(a == 5) {
			count1 += 1;
		}
		if(a == 7) {
			count2 += 1;
		}
		int b = sc.nextInt();
		if(b == 5) {
			count1 += 1;
		}
		if(b == 7) {
			count2 += 1;
		}
		int c = sc.nextInt();
		if(c == 5) {
			count1 += 1;
		}
		if(c == 7) {
			count2 += 1;
		}
		if(count1 == 2 && count2 == 1) {
			System.out.println("YES");
		}else {
			System.out.println("NO");
		}

	}
}