import java.util.Scanner;

public class Main {

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

        int f = 0;
        int s = 0;

        for (int i = 0; i < 3; i++) {
            int num = sc.nextInt();
            if (num == 5) {
                f++;
            } else if (num == 7) {
                s++;
            }
        }

        sc.close();

        boolean ans = false;
        if (f == 2 && s == 1) {
            ans = true;
        }

        System.out.println(ans ? "YES" : "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