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

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		System.out.println(
				Arrays.stream(scanner.nextLine().split(" ")).sorted().collect(Collectors.toList()).equals(Arrays.asList("5", "5", "7")) ?
					"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