import java.util.Arrays;
import java.util.Scanner;
import java.util.stream.IntStream;

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

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        System.out.println(solve(A, B, C) ? "YES" : "NO");

        sc.close();
    }

    static boolean solve(int A, int B, int C) {
        return Arrays.equals(IntStream.of(A, B, C).sorted().toArray(), new int[] { 5, 5, 7 });
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz