import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 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 scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 1) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	}
} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 1) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	} main {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 1) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int c = scan.nextInt(); c scan.nextInt() scan.nextInt scan int count_5 = 0; count_5 0 int count_7 = 0; count_7 0 if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		} a == 5 a 5 {
			count_5++;
		} count_5++ count_5 if(a == 7) {
			count_7++;
		} a == 7 a 7 {
			count_7++;
		} count_7++ count_7 if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		} b == 5 b 5 {
			count_5++;
		} count_5++ count_5 if(b == 7) {
			count_7++;
		} b == 7 b 7 {
			count_7++;
		} count_7++ count_7 if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		} c == 5 c 5 {
			count_5++;
		} count_5++ count_5 if(c == 7) {
			count_7++;
		} c == 7 c 7 {
			count_7++;
		} count_7++ count_7 if(count_5 == 2 && count_7 == 1) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		} count_5 == 2 && count_7 == 1 count_5 == 2 count_5 2 count_7 == 1 count_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[] args args public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 1) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	}
} public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 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 scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		int count_5 = 0;
		int count_7 = 0;
		if(a == 5) {
			count_5++;
		} else if(a == 7) {
			count_7++;
		}
		if(b == 5) {
			count_5++;
		} else if(b == 7) {
			count_7++;
		}
		if(c == 5) {
			count_5++;
		} else if(c == 7) {
			count_7++;
		}
		if(count_5 == 2 && count_7 == 1) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	}
}