import java.util.Scanner;
public class Main{
	public static void main(String[]args) {
		Scanner sc =new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		int c=sc.nextInt();
		if((a==5&&b==5&&c==7)||(a==5&&b==7&&c==5)||(a==7&&b==5&&c==5)) {
			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