import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    }
} Main public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    } main {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    } try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        } {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        } Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) 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 System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO") System.out.println System.out System System.out (
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "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 "YES" "NO" String[] args args public class Main {
    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    }
} public class Main {
    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int C = sc.nextInt();
            System.out.println((
                    (A == 5 && B == 5 && C == 7) || (A == 5 && B == 7 && C == 5) || (A == 7 && B == 5 && C == 5)
            ) ? "YES" : "NO");
        }
    }
}
