import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Scanner;

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

        int[] haiku = new int[3];
        for (int i = 0; i < 3; i++) {
            haiku[i] = Integer.parseInt(sc.next());
        }

        Arrays.sort(haiku);

        PrintWriter out = new PrintWriter(System.out);
        if (haiku[0] == 5 && haiku[1] == 5 && haiku[2] == 7) {
            out.println("YES");
        } else {
            out.println("NO");
        }

        sc.close();
        out.flush();
    }
}
/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