import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	}
} Main public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	} main {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner int b = scanner.nextInt(); b scanner.nextInt() scanner.nextInt scanner int c = scanner.nextInt(); c scanner.nextInt() scanner.nextInt scanner if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		} (a + b + c) == 17 (a + b + c) a + b + c a b c 17 {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		} if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			} (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" if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			} (a == 5) && (b == 7) && (c == 5) (a == 5) && (b == 7) && (c == 5) (a == 5) a 5 (b == 7) b 7 (c == 5) c 5 {
				System.out.println("YES");
			} System.out.println("YES") System.out.println System.out System System.out "YES" if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			} (a == 5) && (b == 5) && (c == 7) (a == 5) && (b == 5) && (c == 7) (a == 5) a 5 (b == 5) b 5 (c == 7) c 7 {
				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" {
			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 scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		if ((a + b + c) == 17) {
			if ((a == 7) && (b == 5) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 7) && (c == 5)) {
				System.out.println("YES");
			}	else if ((a == 5) && (b == 5) && (c == 7)) {
				System.out.println("YES");
			}	else {
				System.out.println("NO");
			}
		}	else {
			System.out.println("NO");
		}
	}
}