import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main (String[] args) {

		Scanner scan = new Scanner(System.in);
		int n=3;
		int[] array = new int[n];
		for(int i=0; i<n; i++) {
			array[i] = scan.nextInt();
		}
		Arrays.sort(array);

		System.out.println( ( (array[0]==5 && array[1]==5 )&& array[2]==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