import java.util.Scanner;

class Main {
    private static final Scanner sc = new Scanner(System.in);

    public static void main(String[] args) {
        final Integer A = sc.nextInt(),
                B = sc.nextInt(),
                C = sc.nextInt();
        if (A * B * C == 5 * 5 * 7) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}
/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