import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner x=new Scanner(System.in);
		int y=x.nextInt();
		int z=x.nextInt();
		int w=x.nextInt();
		if(y==5&&z==7&&w==5) {
			System.out.println("YES");
		}
		else if(y==7&&z==5&&w==5)
		{
			System.out.println("YES");
		}

		else if (y==5&&z==5&&w==7)
		{
			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